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Finding the Fourth Proportional to 102,513.70, 153,770.55 and 94,219.30

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Solution

The fourth proportional to 102,513.70, 153,770.55 and 94,219.30 is: 141,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,513.70 : 153,770.55 = 94,219.30 : x
  2. Step 2: Convert to fraction form
    102,513.70/153,770.55 = 94,219.30/x
  3. Step 3: Cross multiply
    102,513.70x = 153,770.55 × 94,219.30
  4. Step 4: Simplify right side
    102,513.70x = 14,488,153,581.62
  5. Step 5: Solve for x
    x = 14,488,153,581.62/102,513.70
  6. Step 6: Final answer
    x = 141,328.95

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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.