Home / 190,107.76-262,348.94-118,487.72

Finding the Fourth Proportional to 190,107.76, 262,348.94 and 118,487.72

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Solution

The fourth proportional to 190,107.76, 262,348.94 and 118,487.72 is: 163,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,107.76 : 262,348.94 = 118,487.72 : x
  2. Step 2: Convert to fraction form
    190,107.76/262,348.94 = 118,487.72/x
  3. Step 3: Cross multiply
    190,107.76x = 262,348.94 × 118,487.72
  4. Step 4: Simplify right side
    190,107.76x = 31,085,128,697.11
  5. Step 5: Solve for x
    x = 31,085,128,697.11/190,107.76
  6. Step 6: Final answer
    x = 163,513.20

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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.