Home / 126,461.88-174,598.75-81,159.39

Finding the Fourth Proportional to 126,461.88, 174,598.75 and 81,159.39

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Solution

The fourth proportional to 126,461.88, 174,598.75 and 81,159.39 is: 112,052.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.88 : 174,598.75 = 81,159.39 : x
  2. Step 2: Convert to fraction form
    126,461.88/174,598.75 = 81,159.39/x
  3. Step 3: Cross multiply
    126,461.88x = 174,598.75 × 81,159.39
  4. Step 4: Simplify right side
    126,461.88x = 14,170,328,044.76
  5. Step 5: Solve for x
    x = 14,170,328,044.76/126,461.88
  6. Step 6: Final answer
    x = 112,052.17

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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.