Home / 126,812.45-175,013.93-70,223.82

Finding the Fourth Proportional to 126,812.45, 175,013.93 and 70,223.82

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Solution

The fourth proportional to 126,812.45, 175,013.93 and 70,223.82 is: 96,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,812.45 : 175,013.93 = 70,223.82 : x
  2. Step 2: Convert to fraction form
    126,812.45/175,013.93 = 70,223.82/x
  3. Step 3: Cross multiply
    126,812.45x = 175,013.93 × 70,223.82
  4. Step 4: Simplify right side
    126,812.45x = 12,290,146,366.69
  5. Step 5: Solve for x
    x = 12,290,146,366.69/126,812.45
  6. Step 6: Final answer
    x = 96,915.93

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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.