Home / 105,211.67-157,822.19-38,615.47

Finding the Fourth Proportional to 105,211.67, 157,822.19 and 38,615.47

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Solution

The fourth proportional to 105,211.67, 157,822.19 and 38,615.47 is: 57,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,211.67 : 157,822.19 = 38,615.47 : x
  2. Step 2: Convert to fraction form
    105,211.67/157,822.19 = 38,615.47/x
  3. Step 3: Cross multiply
    105,211.67x = 157,822.19 × 38,615.47
  4. Step 4: Simplify right side
    105,211.67x = 6,094,377,600.45
  5. Step 5: Solve for x
    x = 6,094,377,600.45/105,211.67
  6. Step 6: Final answer
    x = 57,924.92

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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.