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Finding the Fourth Proportional to 138,263.40, 207,343.26 and 59,337

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Solution

The fourth proportional to 138,263.40, 207,343.26 and 59,337 is: 88,983.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,263.40 : 207,343.26 = 59,337 : x
  2. Step 2: Convert to fraction form
    138,263.40/207,343.26 = 59,337/x
  3. Step 3: Cross multiply
    138,263.40x = 207,343.26 × 59,337
  4. Step 4: Simplify right side
    138,263.40x = 12,303,127,018.62
  5. Step 5: Solve for x
    x = 12,303,127,018.62/138,263.40
  6. Step 6: Final answer
    x = 88,983.25

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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.