Home / 99,127.80-148,259.70-88,673.40

Finding the Fourth Proportional to 99,127.80, 148,259.70 and 88,673.40

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Solution

The fourth proportional to 99,127.80, 148,259.70 and 88,673.40 is: 132,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,127.80 : 148,259.70 = 88,673.40 : x
  2. Step 2: Convert to fraction form
    99,127.80/148,259.70 = 88,673.40/x
  3. Step 3: Cross multiply
    99,127.80x = 148,259.70 × 88,673.40
  4. Step 4: Simplify right side
    99,127.80x = 13,146,691,681.98
  5. Step 5: Solve for x
    x = 13,146,691,681.98/99,127.80
  6. Step 6: Final answer
    x = 132,623.66

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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.