Home / 124,312.22-186,523.66-65,134.06

Finding the Fourth Proportional to 124,312.22, 186,523.66 and 65,134.06

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Solution

The fourth proportional to 124,312.22, 186,523.66 and 65,134.06 is: 97,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312.22 : 186,523.66 = 65,134.06 : x
  2. Step 2: Convert to fraction form
    124,312.22/186,523.66 = 65,134.06/x
  3. Step 3: Cross multiply
    124,312.22x = 186,523.66 × 65,134.06
  4. Step 4: Simplify right side
    124,312.22x = 12,149,042,876.97
  5. Step 5: Solve for x
    x = 12,149,042,876.97/124,312.22
  6. Step 6: Final answer
    x = 97,730.08

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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.