Home / 105,248.85-157,897.91-71,984.58

Finding the Fourth Proportional to 105,248.85, 157,897.91 and 71,984.58

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Solution

The fourth proportional to 105,248.85, 157,897.91 and 71,984.58 is: 107,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,248.85 : 157,897.91 = 71,984.58 : x
  2. Step 2: Convert to fraction form
    105,248.85/157,897.91 = 71,984.58/x
  3. Step 3: Cross multiply
    105,248.85x = 157,897.91 × 71,984.58
  4. Step 4: Simplify right side
    105,248.85x = 11,366,214,734.23
  5. Step 5: Solve for x
    x = 11,366,214,734.23/105,248.85
  6. Step 6: Final answer
    x = 107,993.72

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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.