Home / 98,918.10-148,373.55-39,737.70

Finding the Fourth Proportional to 98,918.10, 148,373.55 and 39,737.70

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Solution

The fourth proportional to 98,918.10, 148,373.55 and 39,737.70 is: 59,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,918.10 : 148,373.55 = 39,737.70 : x
  2. Step 2: Convert to fraction form
    98,918.10/148,373.55 = 39,737.70/x
  3. Step 3: Cross multiply
    98,918.10x = 148,373.55 × 39,737.70
  4. Step 4: Simplify right side
    98,918.10x = 5,896,023,617.84
  5. Step 5: Solve for x
    x = 5,896,023,617.84/98,918.10
  6. Step 6: Final answer
    x = 59,605.10

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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.