Home / 158,537.20-218,665.42-101,215.93

Finding the Fourth Proportional to 158,537.20, 218,665.42 and 101,215.93

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Solution

The fourth proportional to 158,537.20, 218,665.42 and 101,215.93 is: 139,603.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,537.20 : 218,665.42 = 101,215.93 : x
  2. Step 2: Convert to fraction form
    158,537.20/218,665.42 = 101,215.93/x
  3. Step 3: Cross multiply
    158,537.20x = 218,665.42 × 101,215.93
  4. Step 4: Simplify right side
    158,537.20x = 22,132,423,844.14
  5. Step 5: Solve for x
    x = 22,132,423,844.14/158,537.20
  6. Step 6: Final answer
    x = 139,603.98

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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.