Home / 107,549.15-148,328.96-90,253.62

Finding the Fourth Proportional to 107,549.15, 148,328.96 and 90,253.62

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Solution

The fourth proportional to 107,549.15, 148,328.96 and 90,253.62 is: 124,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,549.15 : 148,328.96 = 90,253.62 : x
  2. Step 2: Convert to fraction form
    107,549.15/148,328.96 = 90,253.62/x
  3. Step 3: Cross multiply
    107,549.15x = 148,328.96 × 90,253.62
  4. Step 4: Simplify right side
    107,549.15x = 13,387,225,139.57
  5. Step 5: Solve for x
    x = 13,387,225,139.57/107,549.15
  6. Step 6: Final answer
    x = 124,475.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.