Home / 123,724.56-185,614.08-52,643.40

Finding the Fourth Proportional to 123,724.56, 185,614.08 and 52,643.40

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Solution

The fourth proportional to 123,724.56, 185,614.08 and 52,643.40 is: 78,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.56 : 185,614.08 = 52,643.40 : x
  2. Step 2: Convert to fraction form
    123,724.56/185,614.08 = 52,643.40/x
  3. Step 3: Cross multiply
    123,724.56x = 185,614.08 × 52,643.40
  4. Step 4: Simplify right side
    123,724.56x = 9,771,356,259.07
  5. Step 5: Solve for x
    x = 9,771,356,259.07/123,724.56
  6. Step 6: Final answer
    x = 78,976.69

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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.