Home / 126,913.14-175,117.93-72,440.44

Finding the Fourth Proportional to 126,913.14, 175,117.93 and 72,440.44

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Solution

The fourth proportional to 126,913.14, 175,117.93 and 72,440.44 is: 99,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.14 : 175,117.93 = 72,440.44 : x
  2. Step 2: Convert to fraction form
    126,913.14/175,117.93 = 72,440.44/x
  3. Step 3: Cross multiply
    126,913.14x = 175,117.93 × 72,440.44
  4. Step 4: Simplify right side
    126,913.14x = 12,685,619,901.09
  5. Step 5: Solve for x
    x = 12,685,619,901.09/126,913.14
  6. Step 6: Final answer
    x = 99,955.13

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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.