Home / 125,022.02-172,527.18-68,429.75

Finding the Fourth Proportional to 125,022.02, 172,527.18 and 68,429.75

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Solution

The fourth proportional to 125,022.02, 172,527.18 and 68,429.75 is: 94,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,022.02 : 172,527.18 = 68,429.75 : x
  2. Step 2: Convert to fraction form
    125,022.02/172,527.18 = 68,429.75/x
  3. Step 3: Cross multiply
    125,022.02x = 172,527.18 × 68,429.75
  4. Step 4: Simplify right side
    125,022.02x = 11,805,991,795.61
  5. Step 5: Solve for x
    x = 11,805,991,795.61/125,022.02
  6. Step 6: Final answer
    x = 94,431.30

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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.