Home / 121,322.46-167,425.38-70,345.20

Finding the Fourth Proportional to 121,322.46, 167,425.38 and 70,345.20

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Solution

The fourth proportional to 121,322.46, 167,425.38 and 70,345.20 is: 97,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,322.46 : 167,425.38 = 70,345.20 : x
  2. Step 2: Convert to fraction form
    121,322.46/167,425.38 = 70,345.20/x
  3. Step 3: Cross multiply
    121,322.46x = 167,425.38 × 70,345.20
  4. Step 4: Simplify right side
    121,322.46x = 11,777,571,841.18
  5. Step 5: Solve for x
    x = 11,777,571,841.18/121,322.46
  6. Step 6: Final answer
    x = 97,076.60

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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.