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Finding the Fourth Proportional to 102,373.74, 153,560.61 and 40,000.50

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Solution

The fourth proportional to 102,373.74, 153,560.61 and 40,000.50 is: 60,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,373.74 : 153,560.61 = 40,000.50 : x
  2. Step 2: Convert to fraction form
    102,373.74/153,560.61 = 40,000.50/x
  3. Step 3: Cross multiply
    102,373.74x = 153,560.61 × 40,000.50
  4. Step 4: Simplify right side
    102,373.74x = 6,142,501,180.31
  5. Step 5: Solve for x
    x = 6,142,501,180.31/102,373.74
  6. Step 6: Final answer
    x = 60,000.75

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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.