Home / 125,231.04-172,812.42-68,631.48

Finding the Fourth Proportional to 125,231.04, 172,812.42 and 68,631.48

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Solution

The fourth proportional to 125,231.04, 172,812.42 and 68,631.48 is: 94,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,231.04 : 172,812.42 = 68,631.48 : x
  2. Step 2: Convert to fraction form
    125,231.04/172,812.42 = 68,631.48/x
  3. Step 3: Cross multiply
    125,231.04x = 172,812.42 × 68,631.48
  4. Step 4: Simplify right side
    125,231.04x = 11,860,372,146.98
  5. Step 5: Solve for x
    x = 11,860,372,146.98/125,231.04
  6. Step 6: Final answer
    x = 94,707.93

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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.