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Finding the Fourth Proportional to 101,125.68, 139,598.10 and 65,333.10

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Solution

The fourth proportional to 101,125.68, 139,598.10 and 65,333.10 is: 90,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,125.68 : 139,598.10 = 65,333.10 : x
  2. Step 2: Convert to fraction form
    101,125.68/139,598.10 = 65,333.10/x
  3. Step 3: Cross multiply
    101,125.68x = 139,598.10 × 65,333.10
  4. Step 4: Simplify right side
    101,125.68x = 9,120,376,627.11
  5. Step 5: Solve for x
    x = 9,120,376,627.11/101,125.68
  6. Step 6: Final answer
    x = 90,188.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.