Home / 126,275.19-174,257.21-68,915.65

Finding the Fourth Proportional to 126,275.19, 174,257.21 and 68,915.65

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Solution

The fourth proportional to 126,275.19, 174,257.21 and 68,915.65 is: 95,102.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,275.19 : 174,257.21 = 68,915.65 : x
  2. Step 2: Convert to fraction form
    126,275.19/174,257.21 = 68,915.65/x
  3. Step 3: Cross multiply
    126,275.19x = 174,257.21 × 68,915.65
  4. Step 4: Simplify right side
    126,275.19x = 12,009,048,894.34
  5. Step 5: Solve for x
    x = 12,009,048,894.34/126,275.19
  6. Step 6: Final answer
    x = 95,102.20

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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.