Home / 101,508.06-152,261.25-79,340.07

Finding the Fourth Proportional to 101,508.06, 152,261.25 and 79,340.07

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Solution

The fourth proportional to 101,508.06, 152,261.25 and 79,340.07 is: 119,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,508.06 : 152,261.25 = 79,340.07 : x
  2. Step 2: Convert to fraction form
    101,508.06/152,261.25 = 79,340.07/x
  3. Step 3: Cross multiply
    101,508.06x = 152,261.25 × 79,340.07
  4. Step 4: Simplify right side
    101,508.06x = 12,080,418,233.29
  5. Step 5: Solve for x
    x = 12,080,418,233.29/101,508.06
  6. Step 6: Final answer
    x = 119,009.45

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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.