Home / 138,832.60-208,346.10-60,003.40

Finding the Fourth Proportional to 138,832.60, 208,346.10 and 60,003.40

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Solution

The fourth proportional to 138,832.60, 208,346.10 and 60,003.40 is: 90,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,832.60 : 208,346.10 = 60,003.40 : x
  2. Step 2: Convert to fraction form
    138,832.60/208,346.10 = 60,003.40/x
  3. Step 3: Cross multiply
    138,832.60x = 208,346.10 × 60,003.40
  4. Step 4: Simplify right side
    138,832.60x = 12,501,474,376.74
  5. Step 5: Solve for x
    x = 12,501,474,376.74/138,832.60
  6. Step 6: Final answer
    x = 90,047.11

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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.