Home / 121,591.33-167,798.86-76,271.22

Finding the Fourth Proportional to 121,591.33, 167,798.86 and 76,271.22

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Solution

The fourth proportional to 121,591.33, 167,798.86 and 76,271.22 is: 105,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,591.33 : 167,798.86 = 76,271.22 : x
  2. Step 2: Convert to fraction form
    121,591.33/167,798.86 = 76,271.22/x
  3. Step 3: Cross multiply
    121,591.33x = 167,798.86 × 76,271.22
  4. Step 4: Simplify right side
    121,591.33x = 12,798,223,576.13
  5. Step 5: Solve for x
    x = 12,798,223,576.13/121,591.33
  6. Step 6: Final answer
    x = 105,256.06

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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.