Home / 130,020.17-194,697.27-89,983.71

Finding the Fourth Proportional to 130,020.17, 194,697.27 and 89,983.71

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Solution

The fourth proportional to 130,020.17, 194,697.27 and 89,983.71 is: 134,745.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,020.17 : 194,697.27 = 89,983.71 : x
  2. Step 2: Convert to fraction form
    130,020.17/194,697.27 = 89,983.71/x
  3. Step 3: Cross multiply
    130,020.17x = 194,697.27 × 89,983.71
  4. Step 4: Simplify right side
    130,020.17x = 17,519,582,681.47
  5. Step 5: Solve for x
    x = 17,519,582,681.47/130,020.17
  6. Step 6: Final answer
    x = 134,745.12

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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.