Home / 136,220.10-204,330.15-98,603.70

Finding the Fourth Proportional to 136,220.10, 204,330.15 and 98,603.70

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Solution

The fourth proportional to 136,220.10, 204,330.15 and 98,603.70 is: 147,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,220.10 : 204,330.15 = 98,603.70 : x
  2. Step 2: Convert to fraction form
    136,220.10/204,330.15 = 98,603.70/x
  3. Step 3: Cross multiply
    136,220.10x = 204,330.15 × 98,603.70
  4. Step 4: Simplify right side
    136,220.10x = 20,147,708,811.56
  5. Step 5: Solve for x
    x = 20,147,708,811.56/136,220.10
  6. Step 6: Final answer
    x = 147,905.55

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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.