Home / 130,494.29-180,079.16-76,043.06

Finding the Fourth Proportional to 130,494.29, 180,079.16 and 76,043.06

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Solution

The fourth proportional to 130,494.29, 180,079.16 and 76,043.06 is: 104,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,494.29 : 180,079.16 = 76,043.06 : x
  2. Step 2: Convert to fraction form
    130,494.29/180,079.16 = 76,043.06/x
  3. Step 3: Cross multiply
    130,494.29x = 180,079.16 × 76,043.06
  4. Step 4: Simplify right side
    130,494.29x = 13,693,769,278.13
  5. Step 5: Solve for x
    x = 13,693,769,278.13/130,494.29
  6. Step 6: Final answer
    x = 104,937.69

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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.