Home / 149,489.12-224,234.50-38,681.12

Finding the Fourth Proportional to 149,489.12, 224,234.50 and 38,681.12

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Solution

The fourth proportional to 149,489.12, 224,234.50 and 38,681.12 is: 58,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,489.12 : 224,234.50 = 38,681.12 : x
  2. Step 2: Convert to fraction form
    149,489.12/224,234.50 = 38,681.12/x
  3. Step 3: Cross multiply
    149,489.12x = 224,234.50 × 38,681.12
  4. Step 4: Simplify right side
    149,489.12x = 8,673,641,602.64
  5. Step 5: Solve for x
    x = 8,673,641,602.64/149,489.12
  6. Step 6: Final answer
    x = 58,021.89

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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.