Home / 121,292.32-167,382.28-67,576.36

Finding the Fourth Proportional to 121,292.32, 167,382.28 and 67,576.36

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Solution

The fourth proportional to 121,292.32, 167,382.28 and 67,576.36 is: 93,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292.32 : 167,382.28 = 67,576.36 : x
  2. Step 2: Convert to fraction form
    121,292.32/167,382.28 = 67,576.36/x
  3. Step 3: Cross multiply
    121,292.32x = 167,382.28 × 67,576.36
  4. Step 4: Simplify right side
    121,292.32x = 11,311,085,210.90
  5. Step 5: Solve for x
    x = 11,311,085,210.90/121,292.32
  6. Step 6: Final answer
    x = 93,254.75

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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.