Home / 131,776.60-181,851.47-71,347.24

Finding the Fourth Proportional to 131,776.60, 181,851.47 and 71,347.24

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Solution

The fourth proportional to 131,776.60, 181,851.47 and 71,347.24 is: 98,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,776.60 : 181,851.47 = 71,347.24 : x
  2. Step 2: Convert to fraction form
    131,776.60/181,851.47 = 71,347.24/x
  3. Step 3: Cross multiply
    131,776.60x = 181,851.47 × 71,347.24
  4. Step 4: Simplify right side
    131,776.60x = 12,974,599,565.19
  5. Step 5: Solve for x
    x = 12,974,599,565.19/131,776.60
  6. Step 6: Final answer
    x = 98,459.06

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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.