Home / 126,402.98-174,506.17-86,175.85

Finding the Fourth Proportional to 126,402.98, 174,506.17 and 86,175.85

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Solution

The fourth proportional to 126,402.98, 174,506.17 and 86,175.85 is: 118,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,402.98 : 174,506.17 = 86,175.85 : x
  2. Step 2: Convert to fraction form
    126,402.98/174,506.17 = 86,175.85/x
  3. Step 3: Cross multiply
    126,402.98x = 174,506.17 × 86,175.85
  4. Step 4: Simplify right side
    126,402.98x = 15,038,216,878.29
  5. Step 5: Solve for x
    x = 15,038,216,878.29/126,402.98
  6. Step 6: Final answer
    x = 118,970.43

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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.