Home / 123,979.22-185,981.15-49,151.01

Finding the Fourth Proportional to 123,979.22, 185,981.15 and 49,151.01

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Solution

The fourth proportional to 123,979.22, 185,981.15 and 49,151.01 is: 73,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,979.22 : 185,981.15 = 49,151.01 : x
  2. Step 2: Convert to fraction form
    123,979.22/185,981.15 = 49,151.01/x
  3. Step 3: Cross multiply
    123,979.22x = 185,981.15 × 49,151.01
  4. Step 4: Simplify right side
    123,979.22x = 9,141,161,117.71
  5. Step 5: Solve for x
    x = 9,141,161,117.71/123,979.22
  6. Step 6: Final answer
    x = 73,731.40

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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.