Home / 105,320.33-157,964.91-38,744.89

Finding the Fourth Proportional to 105,320.33, 157,964.91 and 38,744.89

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Solution

The fourth proportional to 105,320.33, 157,964.91 and 38,744.89 is: 58,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.33 : 157,964.91 = 38,744.89 : x
  2. Step 2: Convert to fraction form
    105,320.33/157,964.91 = 38,744.89/x
  3. Step 3: Cross multiply
    105,320.33x = 157,964.91 × 38,744.89
  4. Step 4: Simplify right side
    105,320.33x = 6,120,332,368.85
  5. Step 5: Solve for x
    x = 6,120,332,368.85/105,320.33
  6. Step 6: Final answer
    x = 58,111.60

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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.