Home / 60,088.29-90,143.28-20,103.48

Finding the Fourth Proportional to 60,088.29, 90,143.28 and 20,103.48

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Solution

The fourth proportional to 60,088.29, 90,143.28 and 20,103.48 is: 30,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,088.29 : 90,143.28 = 20,103.48 : x
  2. Step 2: Convert to fraction form
    60,088.29/90,143.28 = 20,103.48/x
  3. Step 3: Cross multiply
    60,088.29x = 90,143.28 × 20,103.48
  4. Step 4: Simplify right side
    60,088.29x = 1,812,193,626.61
  5. Step 5: Solve for x
    x = 1,812,193,626.61/60,088.29
  6. Step 6: Final answer
    x = 30,158.85

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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.