Home / 121,172.80-167,216.88-70,192.48

Finding the Fourth Proportional to 121,172.80, 167,216.88 and 70,192.48

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Solution

The fourth proportional to 121,172.80, 167,216.88 and 70,192.48 is: 96,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,172.80 : 167,216.88 = 70,192.48 : x
  2. Step 2: Convert to fraction form
    121,172.80/167,216.88 = 70,192.48/x
  3. Step 3: Cross multiply
    121,172.80x = 167,216.88 × 70,192.48
  4. Step 4: Simplify right side
    121,172.80x = 11,737,367,505.06
  5. Step 5: Solve for x
    x = 11,737,367,505.06/121,172.80
  6. Step 6: Final answer
    x = 96,864.70

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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.