Home / 145,545.60-218,318.40-98,889.60

Finding the Fourth Proportional to 145,545.60, 218,318.40 and 98,889.60

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Solution

The fourth proportional to 145,545.60, 218,318.40 and 98,889.60 is: 148,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545.60 : 218,318.40 = 98,889.60 : x
  2. Step 2: Convert to fraction form
    145,545.60/218,318.40 = 98,889.60/x
  3. Step 3: Cross multiply
    145,545.60x = 218,318.40 × 98,889.60
  4. Step 4: Simplify right side
    145,545.60x = 21,589,419,248.64
  5. Step 5: Solve for x
    x = 21,589,419,248.64/145,545.60
  6. Step 6: Final answer
    x = 148,334.40

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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.