Home / 98,834.18-148,144.95-42,700.87

Finding the Fourth Proportional to 98,834.18, 148,144.95 and 42,700.87

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Solution

The fourth proportional to 98,834.18, 148,144.95 and 42,700.87 is: 64,005.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,834.18 : 148,144.95 = 42,700.87 : x
  2. Step 2: Convert to fraction form
    98,834.18/148,144.95 = 42,700.87/x
  3. Step 3: Cross multiply
    98,834.18x = 148,144.95 × 42,700.87
  4. Step 4: Simplify right side
    98,834.18x = 6,325,918,436.29
  5. Step 5: Solve for x
    x = 6,325,918,436.29/98,834.18
  6. Step 6: Final answer
    x = 64,005.38

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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.