Home / 142,302.30-213,453.45-53,575.71

Finding the Fourth Proportional to 142,302.30, 213,453.45 and 53,575.71

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Solution

The fourth proportional to 142,302.30, 213,453.45 and 53,575.71 is: 80,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,302.30 : 213,453.45 = 53,575.71 : x
  2. Step 2: Convert to fraction form
    142,302.30/213,453.45 = 53,575.71/x
  3. Step 3: Cross multiply
    142,302.30x = 213,453.45 × 53,575.71
  4. Step 4: Simplify right side
    142,302.30x = 11,435,920,135.70
  5. Step 5: Solve for x
    x = 11,435,920,135.70/142,302.30
  6. Step 6: Final answer
    x = 80,363.57

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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.