Home / 130,568.58-180,239.76-88,184.52

Finding the Fourth Proportional to 130,568.58, 180,239.76 and 88,184.52

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Solution

The fourth proportional to 130,568.58, 180,239.76 and 88,184.52 is: 121,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,568.58 : 180,239.76 = 88,184.52 : x
  2. Step 2: Convert to fraction form
    130,568.58/180,239.76 = 88,184.52/x
  3. Step 3: Cross multiply
    130,568.58x = 180,239.76 × 88,184.52
  4. Step 4: Simplify right side
    130,568.58x = 15,894,357,171.11
  5. Step 5: Solve for x
    x = 15,894,357,171.11/130,568.58
  6. Step 6: Final answer
    x = 121,731.87

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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.