Home / 147,042.15-220,636.19-58,293.69

Finding the Fourth Proportional to 147,042.15, 220,636.19 and 58,293.69

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Solution

The fourth proportional to 147,042.15, 220,636.19 and 58,293.69 is: 87,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,042.15 : 220,636.19 = 58,293.69 : x
  2. Step 2: Convert to fraction form
    147,042.15/220,636.19 = 58,293.69/x
  3. Step 3: Cross multiply
    147,042.15x = 220,636.19 × 58,293.69
  4. Step 4: Simplify right side
    147,042.15x = 12,861,697,808.38
  5. Step 5: Solve for x
    x = 12,861,697,808.38/147,042.15
  6. Step 6: Final answer
    x = 87,469.46

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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.