Home / 131,885.48-182,001.30-71,455.70

Finding the Fourth Proportional to 131,885.48, 182,001.30 and 71,455.70

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Solution

The fourth proportional to 131,885.48, 182,001.30 and 71,455.70 is: 98,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,885.48 : 182,001.30 = 71,455.70 : x
  2. Step 2: Convert to fraction form
    131,885.48/182,001.30 = 71,455.70/x
  3. Step 3: Cross multiply
    131,885.48x = 182,001.30 × 71,455.70
  4. Step 4: Simplify right side
    131,885.48x = 13,005,030,292.41
  5. Step 5: Solve for x
    x = 13,005,030,292.41/131,885.48
  6. Step 6: Final answer
    x = 98,608.51

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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.