Home / 124,736.64-172,139.04-68,151.52

Finding the Fourth Proportional to 124,736.64, 172,139.04 and 68,151.52

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Solution

The fourth proportional to 124,736.64, 172,139.04 and 68,151.52 is: 94,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,736.64 : 172,139.04 = 68,151.52 : x
  2. Step 2: Convert to fraction form
    124,736.64/172,139.04 = 68,151.52/x
  3. Step 3: Cross multiply
    124,736.64x = 172,139.04 × 68,151.52
  4. Step 4: Simplify right side
    124,736.64x = 11,731,537,227.34
  5. Step 5: Solve for x
    x = 11,731,537,227.34/124,736.64
  6. Step 6: Final answer
    x = 94,050.45

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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.