Home / 131,975.76-182,124.30-74,614.20

Finding the Fourth Proportional to 131,975.76, 182,124.30 and 74,614.20

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Solution

The fourth proportional to 131,975.76, 182,124.30 and 74,614.20 is: 102,966.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,975.76 : 182,124.30 = 74,614.20 : x
  2. Step 2: Convert to fraction form
    131,975.76/182,124.30 = 74,614.20/x
  3. Step 3: Cross multiply
    131,975.76x = 182,124.30 × 74,614.20
  4. Step 4: Simplify right side
    131,975.76x = 13,589,058,945.06
  5. Step 5: Solve for x
    x = 13,589,058,945.06/131,975.76
  6. Step 6: Final answer
    x = 102,966.32

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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.