Home / 124,900.12-172,357.90-71,202.44

Finding the Fourth Proportional to 124,900.12, 172,357.90 and 71,202.44

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Solution

The fourth proportional to 124,900.12, 172,357.90 and 71,202.44 is: 98,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,900.12 : 172,357.90 = 71,202.44 : x
  2. Step 2: Convert to fraction form
    124,900.12/172,357.90 = 71,202.44/x
  3. Step 3: Cross multiply
    124,900.12x = 172,357.90 × 71,202.44
  4. Step 4: Simplify right side
    124,900.12x = 12,272,303,286.16
  5. Step 5: Solve for x
    x = 12,272,303,286.16/124,900.12
  6. Step 6: Final answer
    x = 98,256.94

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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.