Home / 90,860.28-136,232.10-59,659.08

Finding the Fourth Proportional to 90,860.28, 136,232.10 and 59,659.08

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Solution

The fourth proportional to 90,860.28, 136,232.10 and 59,659.08 is: 89,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,860.28 : 136,232.10 = 59,659.08 : x
  2. Step 2: Convert to fraction form
    90,860.28/136,232.10 = 59,659.08/x
  3. Step 3: Cross multiply
    90,860.28x = 136,232.10 × 59,659.08
  4. Step 4: Simplify right side
    90,860.28x = 8,127,481,752.47
  5. Step 5: Solve for x
    x = 8,127,481,752.47/90,860.28
  6. Step 6: Final answer
    x = 89,450.33

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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.