Home / 95,430.62-131,818.20-72,631.10

Finding the Fourth Proportional to 95,430.62, 131,818.20 and 72,631.10

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Solution

The fourth proportional to 95,430.62, 131,818.20 and 72,631.10 is: 100,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,430.62 : 131,818.20 = 72,631.10 : x
  2. Step 2: Convert to fraction form
    95,430.62/131,818.20 = 72,631.10/x
  3. Step 3: Cross multiply
    95,430.62x = 131,818.20 × 72,631.10
  4. Step 4: Simplify right side
    95,430.62x = 9,574,100,866.02
  5. Step 5: Solve for x
    x = 9,574,100,866.02/95,430.62
  6. Step 6: Final answer
    x = 100,325.25

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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.