Home / 89,437.44-134,115.18-53,430.42

Finding the Fourth Proportional to 89,437.44, 134,115.18 and 53,430.42

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Solution

The fourth proportional to 89,437.44, 134,115.18 and 53,430.42 is: 80,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.44 : 134,115.18 = 53,430.42 : x
  2. Step 2: Convert to fraction form
    89,437.44/134,115.18 = 53,430.42/x
  3. Step 3: Cross multiply
    89,437.44x = 134,115.18 × 53,430.42
  4. Step 4: Simplify right side
    89,437.44x = 7,165,830,395.78
  5. Step 5: Solve for x
    x = 7,165,830,395.78/89,437.44
  6. Step 6: Final answer
    x = 80,121.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.