Home / 149,145.60-223,545.60-60,355.20

Finding the Fourth Proportional to 149,145.60, 223,545.60 and 60,355.20

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Solution

The fourth proportional to 149,145.60, 223,545.60 and 60,355.20 is: 90,462.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,145.60 : 223,545.60 = 60,355.20 : x
  2. Step 2: Convert to fraction form
    149,145.60/223,545.60 = 60,355.20/x
  3. Step 3: Cross multiply
    149,145.60x = 223,545.60 × 60,355.20
  4. Step 4: Simplify right side
    149,145.60x = 13,492,139,397.12
  5. Step 5: Solve for x
    x = 13,492,139,397.12/149,145.60
  6. Step 6: Final answer
    x = 90,462.87

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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.