Home / 126,044.32-173,701.91-90,172.06

Finding the Fourth Proportional to 126,044.32, 173,701.91 and 90,172.06

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Solution

The fourth proportional to 126,044.32, 173,701.91 and 90,172.06 is: 124,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.32 : 173,701.91 = 90,172.06 : x
  2. Step 2: Convert to fraction form
    126,044.32/173,701.91 = 90,172.06/x
  3. Step 3: Cross multiply
    126,044.32x = 173,701.91 × 90,172.06
  4. Step 4: Simplify right side
    126,044.32x = 15,663,059,050.63
  5. Step 5: Solve for x
    x = 15,663,059,050.63/126,044.32
  6. Step 6: Final answer
    x = 124,266.28

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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.