Home / 126,013.88-173,924.34-72,335.18

Finding the Fourth Proportional to 126,013.88, 173,924.34 and 72,335.18

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Solution

The fourth proportional to 126,013.88, 173,924.34 and 72,335.18 is: 99,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,013.88 : 173,924.34 = 72,335.18 : x
  2. Step 2: Convert to fraction form
    126,013.88/173,924.34 = 72,335.18/x
  3. Step 3: Cross multiply
    126,013.88x = 173,924.34 × 72,335.18
  4. Step 4: Simplify right side
    126,013.88x = 12,580,848,440.28
  5. Step 5: Solve for x
    x = 12,580,848,440.28/126,013.88
  6. Step 6: Final answer
    x = 99,837.01

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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.