Home / 105,386.38-158,060.26-30,488.11

Finding the Fourth Proportional to 105,386.38, 158,060.26 and 30,488.11

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Solution

The fourth proportional to 105,386.38, 158,060.26 and 30,488.11 is: 45,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,386.38 : 158,060.26 = 30,488.11 : x
  2. Step 2: Convert to fraction form
    105,386.38/158,060.26 = 30,488.11/x
  3. Step 3: Cross multiply
    105,386.38x = 158,060.26 × 30,488.11
  4. Step 4: Simplify right side
    105,386.38x = 4,818,958,593.51
  5. Step 5: Solve for x
    x = 4,818,958,593.51/105,386.38
  6. Step 6: Final answer
    x = 45,726.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.