Home / 178,921.80-246,877.20-115,250.40

Finding the Fourth Proportional to 178,921.80, 246,877.20 and 115,250.40

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Solution

The fourth proportional to 178,921.80, 246,877.20 and 115,250.40 is: 159,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,921.80 : 246,877.20 = 115,250.40 : x
  2. Step 2: Convert to fraction form
    178,921.80/246,877.20 = 115,250.40/x
  3. Step 3: Cross multiply
    178,921.80x = 246,877.20 × 115,250.40
  4. Step 4: Simplify right side
    178,921.80x = 28,452,696,050.88
  5. Step 5: Solve for x
    x = 28,452,696,050.88/178,921.80
  6. Step 6: Final answer
    x = 159,023.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.