Home / 124,808.09-172,215.05-71,094.15

Finding the Fourth Proportional to 124,808.09, 172,215.05 and 71,094.15

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Solution

The fourth proportional to 124,808.09, 172,215.05 and 71,094.15 is: 98,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,808.09 : 172,215.05 = 71,094.15 : x
  2. Step 2: Convert to fraction form
    124,808.09/172,215.05 = 71,094.15/x
  3. Step 3: Cross multiply
    124,808.09x = 172,215.05 × 71,094.15
  4. Step 4: Simplify right side
    124,808.09x = 12,243,482,241.49
  5. Step 5: Solve for x
    x = 12,243,482,241.49/124,808.09
  6. Step 6: Final answer
    x = 98,098.47

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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.