Home / 160,302.78-240,446.88-76,103.28

Finding the Fourth Proportional to 160,302.78, 240,446.88 and 76,103.28

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Solution

The fourth proportional to 160,302.78, 240,446.88 and 76,103.28 is: 114,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,302.78 : 240,446.88 = 76,103.28 : x
  2. Step 2: Convert to fraction form
    160,302.78/240,446.88 = 76,103.28/x
  3. Step 3: Cross multiply
    160,302.78x = 240,446.88 × 76,103.28
  4. Step 4: Simplify right side
    160,302.78x = 18,298,796,233.77
  5. Step 5: Solve for x
    x = 18,298,796,233.77/160,302.78
  6. Step 6: Final answer
    x = 114,151.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.