Home / 125,243.65-172,835.22-68,654.89

Finding the Fourth Proportional to 125,243.65, 172,835.22 and 68,654.89

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Solution

The fourth proportional to 125,243.65, 172,835.22 and 68,654.89 is: 94,743.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,243.65 : 172,835.22 = 68,654.89 : x
  2. Step 2: Convert to fraction form
    125,243.65/172,835.22 = 68,654.89/x
  3. Step 3: Cross multiply
    125,243.65x = 172,835.22 × 68,654.89
  4. Step 4: Simplify right side
    125,243.65x = 11,865,983,017.23
  5. Step 5: Solve for x
    x = 11,865,983,017.23/125,243.65
  6. Step 6: Final answer
    x = 94,743.19

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1.5x scale

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.