Home / 140,708.04-194,175.16-77,045.85

Finding the Fourth Proportional to 140,708.04, 194,175.16 and 77,045.85

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Solution

The fourth proportional to 140,708.04, 194,175.16 and 77,045.85 is: 106,322.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,708.04 : 194,175.16 = 77,045.85 : x
  2. Step 2: Convert to fraction form
    140,708.04/194,175.16 = 77,045.85/x
  3. Step 3: Cross multiply
    140,708.04x = 194,175.16 × 77,045.85
  4. Step 4: Simplify right side
    140,708.04x = 14,960,390,058.47
  5. Step 5: Solve for x
    x = 14,960,390,058.47/140,708.04
  6. Step 6: Final answer
    x = 106,322.21

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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.