Home / 103,084.52-154,626.89-28,199.12

Finding the Fourth Proportional to 103,084.52, 154,626.89 and 28,199.12

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Solution

The fourth proportional to 103,084.52, 154,626.89 and 28,199.12 is: 42,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,084.52 : 154,626.89 = 28,199.12 : x
  2. Step 2: Convert to fraction form
    103,084.52/154,626.89 = 28,199.12/x
  3. Step 3: Cross multiply
    103,084.52x = 154,626.89 × 28,199.12
  4. Step 4: Simplify right side
    103,084.52x = 4,360,341,312.21
  5. Step 5: Solve for x
    x = 4,360,341,312.21/103,084.52
  6. Step 6: Final answer
    x = 42,298.70

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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.