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Finding the Fourth Proportional to 101,259.60, 152,148.60 and 89,854.80

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Solution

The fourth proportional to 101,259.60, 152,148.60 and 89,854.80 is: 135,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,259.60 : 152,148.60 = 89,854.80 : x
  2. Step 2: Convert to fraction form
    101,259.60/152,148.60 = 89,854.80/x
  3. Step 3: Cross multiply
    101,259.60x = 152,148.60 × 89,854.80
  4. Step 4: Simplify right side
    101,259.60x = 13,671,282,023.28
  5. Step 5: Solve for x
    x = 13,671,282,023.28/101,259.60
  6. Step 6: Final answer
    x = 135,012.21

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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.