Home / 142,318.50-213,453.01-53,572.69

Finding the Fourth Proportional to 142,318.50, 213,453.01 and 53,572.69

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Solution

The fourth proportional to 142,318.50, 213,453.01 and 53,572.69 is: 80,349.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,318.50 : 213,453.01 = 53,572.69 : x
  2. Step 2: Convert to fraction form
    142,318.50/213,453.01 = 53,572.69/x
  3. Step 3: Cross multiply
    142,318.50x = 213,453.01 × 53,572.69
  4. Step 4: Simplify right side
    142,318.50x = 11,435,251,934.30
  5. Step 5: Solve for x
    x = 11,435,251,934.30/142,318.50
  6. Step 6: Final answer
    x = 80,349.72

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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.