Home / 100,941.20-151,411.80-98,867.60

Finding the Fourth Proportional to 100,941.20, 151,411.80 and 98,867.60

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Solution

The fourth proportional to 100,941.20, 151,411.80 and 98,867.60 is: 148,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,941.20 : 151,411.80 = 98,867.60 : x
  2. Step 2: Convert to fraction form
    100,941.20/151,411.80 = 98,867.60/x
  3. Step 3: Cross multiply
    100,941.20x = 151,411.80 × 98,867.60
  4. Step 4: Simplify right side
    100,941.20x = 14,969,721,277.68
  5. Step 5: Solve for x
    x = 14,969,721,277.68/100,941.20
  6. Step 6: Final answer
    x = 148,301.40

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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.