Home / 106,327.10-159,490.65-71,306.30

Finding the Fourth Proportional to 106,327.10, 159,490.65 and 71,306.30

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Solution

The fourth proportional to 106,327.10, 159,490.65 and 71,306.30 is: 106,959.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,327.10 : 159,490.65 = 71,306.30 : x
  2. Step 2: Convert to fraction form
    106,327.10/159,490.65 = 71,306.30/x
  3. Step 3: Cross multiply
    106,327.10x = 159,490.65 × 71,306.30
  4. Step 4: Simplify right side
    106,327.10x = 11,372,688,136.10
  5. Step 5: Solve for x
    x = 11,372,688,136.10/106,327.10
  6. Step 6: Final answer
    x = 106,959.45

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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.