Home / 110,311.60-152,223.62-61,909.02

Finding the Fourth Proportional to 110,311.60, 152,223.62 and 61,909.02

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Solution

The fourth proportional to 110,311.60, 152,223.62 and 61,909.02 is: 85,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,311.60 : 152,223.62 = 61,909.02 : x
  2. Step 2: Convert to fraction form
    110,311.60/152,223.62 = 61,909.02/x
  3. Step 3: Cross multiply
    110,311.60x = 152,223.62 × 61,909.02
  4. Step 4: Simplify right side
    110,311.60x = 9,424,014,373.93
  5. Step 5: Solve for x
    x = 9,424,014,373.93/110,311.60
  6. Step 6: Final answer
    x = 85,430.86

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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.