Home / 124,872.04-172,323.40-68,283.40

Finding the Fourth Proportional to 124,872.04, 172,323.40 and 68,283.40

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Solution

The fourth proportional to 124,872.04, 172,323.40 and 68,283.40 is: 94,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,872.04 : 172,323.40 = 68,283.40 : x
  2. Step 2: Convert to fraction form
    124,872.04/172,323.40 = 68,283.40/x
  3. Step 3: Cross multiply
    124,872.04x = 172,323.40 × 68,283.40
  4. Step 4: Simplify right side
    124,872.04x = 11,766,827,651.56
  5. Step 5: Solve for x
    x = 11,766,827,651.56/124,872.04
  6. Step 6: Final answer
    x = 94,231.08

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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.