Home / 99,545.80-148,886.70-89,091.40

Finding the Fourth Proportional to 99,545.80, 148,886.70 and 89,091.40

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Solution

The fourth proportional to 99,545.80, 148,886.70 and 89,091.40 is: 133,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.80 : 148,886.70 = 89,091.40 : x
  2. Step 2: Convert to fraction form
    99,545.80/148,886.70 = 89,091.40/x
  3. Step 3: Cross multiply
    99,545.80x = 148,886.70 × 89,091.40
  4. Step 4: Simplify right side
    99,545.80x = 13,264,524,544.38
  5. Step 5: Solve for x
    x = 13,264,524,544.38/99,545.80
  6. Step 6: Final answer
    x = 133,250.47

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1.5x scale

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.