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Finding the Fourth Proportional to 101,837.40, 152,756.10 and 88,715.40

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Solution

The fourth proportional to 101,837.40, 152,756.10 and 88,715.40 is: 133,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,837.40 : 152,756.10 = 88,715.40 : x
  2. Step 2: Convert to fraction form
    101,837.40/152,756.10 = 88,715.40/x
  3. Step 3: Cross multiply
    101,837.40x = 152,756.10 × 88,715.40
  4. Step 4: Simplify right side
    101,837.40x = 13,551,818,513.94
  5. Step 5: Solve for x
    x = 13,551,818,513.94/101,837.40
  6. Step 6: Final answer
    x = 133,073.10

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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.