Home / 131,526.30-181,507.62-71,098.08

Finding the Fourth Proportional to 131,526.30, 181,507.62 and 71,098.08

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Solution

The fourth proportional to 131,526.30, 181,507.62 and 71,098.08 is: 98,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,526.30 : 181,507.62 = 71,098.08 : x
  2. Step 2: Convert to fraction form
    131,526.30/181,507.62 = 71,098.08/x
  3. Step 3: Cross multiply
    131,526.30x = 181,507.62 × 71,098.08
  4. Step 4: Simplify right side
    131,526.30x = 12,904,843,287.37
  5. Step 5: Solve for x
    x = 12,904,843,287.37/131,526.30
  6. Step 6: Final answer
    x = 98,116.07

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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.