Home / 130,801.14-180,500.13-74,215.62

Finding the Fourth Proportional to 130,801.14, 180,500.13 and 74,215.62

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Solution

The fourth proportional to 130,801.14, 180,500.13 and 74,215.62 is: 102,414.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,801.14 : 180,500.13 = 74,215.62 : x
  2. Step 2: Convert to fraction form
    130,801.14/180,500.13 = 74,215.62/x
  3. Step 3: Cross multiply
    130,801.14x = 180,500.13 × 74,215.62
  4. Step 4: Simplify right side
    130,801.14x = 13,395,929,058.03
  5. Step 5: Solve for x
    x = 13,395,929,058.03/130,801.14
  6. Step 6: Final answer
    x = 102,414.47

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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.