Home / 104,458.80-156,688.20-99,908.40

Finding the Fourth Proportional to 104,458.80, 156,688.20 and 99,908.40

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Solution

The fourth proportional to 104,458.80, 156,688.20 and 99,908.40 is: 149,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.80 : 156,688.20 = 99,908.40 : x
  2. Step 2: Convert to fraction form
    104,458.80/156,688.20 = 99,908.40/x
  3. Step 3: Cross multiply
    104,458.80x = 156,688.20 × 99,908.40
  4. Step 4: Simplify right side
    104,458.80x = 15,654,467,360.88
  5. Step 5: Solve for x
    x = 15,654,467,360.88/104,458.80
  6. Step 6: Final answer
    x = 149,862.60

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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.