Home / 130,066.24-179,468.41-72,687.22

Finding the Fourth Proportional to 130,066.24, 179,468.41 and 72,687.22

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Solution

The fourth proportional to 130,066.24, 179,468.41 and 72,687.22 is: 100,295.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,066.24 : 179,468.41 = 72,687.22 : x
  2. Step 2: Convert to fraction form
    130,066.24/179,468.41 = 72,687.22/x
  3. Step 3: Cross multiply
    130,066.24x = 179,468.41 × 72,687.22
  4. Step 4: Simplify right side
    130,066.24x = 13,045,060,316.13
  5. Step 5: Solve for x
    x = 13,045,060,316.13/130,066.24
  6. Step 6: Final answer
    x = 100,295.51

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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.