Home / 102,730.20-153,998.10-60,642.60

Finding the Fourth Proportional to 102,730.20, 153,998.10 and 60,642.60

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Solution

The fourth proportional to 102,730.20, 153,998.10 and 60,642.60 is: 90,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,730.20 : 153,998.10 = 60,642.60 : x
  2. Step 2: Convert to fraction form
    102,730.20/153,998.10 = 60,642.60/x
  3. Step 3: Cross multiply
    102,730.20x = 153,998.10 × 60,642.60
  4. Step 4: Simplify right side
    102,730.20x = 9,338,845,179.06
  5. Step 5: Solve for x
    x = 9,338,845,179.06/102,730.20
  6. Step 6: Final answer
    x = 90,906.52

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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.