Home / 124,824.04-172,258.22-71,108.21

Finding the Fourth Proportional to 124,824.04, 172,258.22 and 71,108.21

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Solution

The fourth proportional to 124,824.04, 172,258.22 and 71,108.21 is: 98,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,824.04 : 172,258.22 = 71,108.21 : x
  2. Step 2: Convert to fraction form
    124,824.04/172,258.22 = 71,108.21/x
  3. Step 3: Cross multiply
    124,824.04x = 172,258.22 × 71,108.21
  4. Step 4: Simplify right side
    124,824.04x = 12,248,973,757.09
  5. Step 5: Solve for x
    x = 12,248,973,757.09/124,824.04
  6. Step 6: Final answer
    x = 98,129.93

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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.