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Finding the Fourth Proportional to 248,073.84, 342,341.64 and 134,895.78

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Solution

The fourth proportional to 248,073.84, 342,341.64 and 134,895.78 is: 186,156.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,073.84 : 342,341.64 = 134,895.78 : x
  2. Step 2: Convert to fraction form
    248,073.84/342,341.64 = 134,895.78/x
  3. Step 3: Cross multiply
    248,073.84x = 342,341.64 × 134,895.78
  4. Step 4: Simplify right side
    248,073.84x = 46,180,442,554.28
  5. Step 5: Solve for x
    x = 46,180,442,554.28/248,073.84
  6. Step 6: Final answer
    x = 186,156.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.