Home / 131,630.48-181,461.12-93,839.12

Finding the Fourth Proportional to 131,630.48, 181,461.12 and 93,839.12

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Solution

The fourth proportional to 131,630.48, 181,461.12 and 93,839.12 is: 129,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,630.48 : 181,461.12 = 93,839.12 : x
  2. Step 2: Convert to fraction form
    131,630.48/181,461.12 = 93,839.12/x
  3. Step 3: Cross multiply
    131,630.48x = 181,461.12 × 93,839.12
  4. Step 4: Simplify right side
    131,630.48x = 17,028,151,815.01
  5. Step 5: Solve for x
    x = 17,028,151,815.01/131,630.48
  6. Step 6: Final answer
    x = 129,363.29

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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.