Home / 121,422.34-167,534.94-73,002.16

Finding the Fourth Proportional to 121,422.34, 167,534.94 and 73,002.16

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Solution

The fourth proportional to 121,422.34, 167,534.94 and 73,002.16 is: 100,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,422.34 : 167,534.94 = 73,002.16 : x
  2. Step 2: Convert to fraction form
    121,422.34/167,534.94 = 73,002.16/x
  3. Step 3: Cross multiply
    121,422.34x = 167,534.94 × 73,002.16
  4. Step 4: Simplify right side
    121,422.34x = 12,230,412,495.47
  5. Step 5: Solve for x
    x = 12,230,412,495.47/121,422.34
  6. Step 6: Final answer
    x = 100,726.21

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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.