Home / 126,893.07-175,033.15-81,630

Finding the Fourth Proportional to 126,893.07, 175,033.15 and 81,630

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Solution

The fourth proportional to 126,893.07, 175,033.15 and 81,630 is: 112,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,893.07 : 175,033.15 = 81,630 : x
  2. Step 2: Convert to fraction form
    126,893.07/175,033.15 = 81,630/x
  3. Step 3: Cross multiply
    126,893.07x = 175,033.15 × 81,630
  4. Step 4: Simplify right side
    126,893.07x = 14,287,956,034.50
  5. Step 5: Solve for x
    x = 14,287,956,034.50/126,893.07
  6. Step 6: Final answer
    x = 112,598.40

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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.