Home / 77,948.52-116,125.38-74,186.88

Finding the Fourth Proportional to 77,948.52, 116,125.38 and 74,186.88

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Solution

The fourth proportional to 77,948.52, 116,125.38 and 74,186.88 is: 110,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,948.52 : 116,125.38 = 74,186.88 : x
  2. Step 2: Convert to fraction form
    77,948.52/116,125.38 = 74,186.88/x
  3. Step 3: Cross multiply
    77,948.52x = 116,125.38 × 74,186.88
  4. Step 4: Simplify right side
    77,948.52x = 8,614,979,631.01
  5. Step 5: Solve for x
    x = 8,614,979,631.01/77,948.52
  6. Step 6: Final answer
    x = 110,521.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.