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Finding the Fourth Proportional to 100,241.60, 150,400.80 and 98,667.20

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Solution

The fourth proportional to 100,241.60, 150,400.80 and 98,667.20 is: 148,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,241.60 : 150,400.80 = 98,667.20 : x
  2. Step 2: Convert to fraction form
    100,241.60/150,400.80 = 98,667.20/x
  3. Step 3: Cross multiply
    100,241.60x = 150,400.80 × 98,667.20
  4. Step 4: Simplify right side
    100,241.60x = 14,839,625,813.76
  5. Step 5: Solve for x
    x = 14,839,625,813.76/100,241.60
  6. Step 6: Final answer
    x = 148,038.60

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1.5x scale

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.