Home / 131,875.42-181,988.12-71,446.48

Finding the Fourth Proportional to 131,875.42, 181,988.12 and 71,446.48

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Solution

The fourth proportional to 131,875.42, 181,988.12 and 71,446.48 is: 98,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,875.42 : 181,988.12 = 71,446.48 : x
  2. Step 2: Convert to fraction form
    131,875.42/181,988.12 = 71,446.48/x
  3. Step 3: Cross multiply
    131,875.42x = 181,988.12 × 71,446.48
  4. Step 4: Simplify right side
    131,875.42x = 13,002,409,308.64
  5. Step 5: Solve for x
    x = 13,002,409,308.64/131,875.42
  6. Step 6: Final answer
    x = 98,596.16

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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.