Home / 99,098.16-148,669.95-42,947.70

Finding the Fourth Proportional to 99,098.16, 148,669.95 and 42,947.70

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Solution

The fourth proportional to 99,098.16, 148,669.95 and 42,947.70 is: 64,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,098.16 : 148,669.95 = 42,947.70 : x
  2. Step 2: Convert to fraction form
    99,098.16/148,669.95 = 42,947.70/x
  3. Step 3: Cross multiply
    99,098.16x = 148,669.95 × 42,947.70
  4. Step 4: Simplify right side
    99,098.16x = 6,385,032,411.62
  5. Step 5: Solve for x
    x = 6,385,032,411.62/99,098.16
  6. Step 6: Final answer
    x = 64,431.39

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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.