Home / 142,290.29-213,545.60-53,624.45

Finding the Fourth Proportional to 142,290.29, 213,545.60 and 53,624.45

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Solution

The fourth proportional to 142,290.29, 213,545.60 and 53,624.45 is: 80,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,290.29 : 213,545.60 = 53,624.45 : x
  2. Step 2: Convert to fraction form
    142,290.29/213,545.60 = 53,624.45/x
  3. Step 3: Cross multiply
    142,290.29x = 213,545.60 × 53,624.45
  4. Step 4: Simplify right side
    142,290.29x = 11,451,265,349.92
  5. Step 5: Solve for x
    x = 11,451,265,349.92/142,290.29
  6. Step 6: Final answer
    x = 80,478.19

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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.