Home / 91,404.48-137,127.21-32,240.64

Finding the Fourth Proportional to 91,404.48, 137,127.21 and 32,240.64

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Solution

The fourth proportional to 91,404.48, 137,127.21 and 32,240.64 is: 48,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,404.48 : 137,127.21 = 32,240.64 : x
  2. Step 2: Convert to fraction form
    91,404.48/137,127.21 = 32,240.64/x
  3. Step 3: Cross multiply
    91,404.48x = 137,127.21 × 32,240.64
  4. Step 4: Simplify right side
    91,404.48x = 4,421,069,011.81
  5. Step 5: Solve for x
    x = 4,421,069,011.81/91,404.48
  6. Step 6: Final answer
    x = 48,368.19

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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.