Home / 99,537.80-148,874.70-89,083.40

Finding the Fourth Proportional to 99,537.80, 148,874.70 and 89,083.40

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Solution

The fourth proportional to 99,537.80, 148,874.70 and 89,083.40 is: 133,238.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,537.80 : 148,874.70 = 89,083.40 : x
  2. Step 2: Convert to fraction form
    99,537.80/148,874.70 = 89,083.40/x
  3. Step 3: Cross multiply
    99,537.80x = 148,874.70 × 89,083.40
  4. Step 4: Simplify right side
    99,537.80x = 13,262,264,449.98
  5. Step 5: Solve for x
    x = 13,262,264,449.98/99,537.80
  6. Step 6: Final answer
    x = 133,238.47

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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.