Home / 122,587.50-169,172.97-68,144.76

Finding the Fourth Proportional to 122,587.50, 169,172.97 and 68,144.76

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Solution

The fourth proportional to 122,587.50, 169,172.97 and 68,144.76 is: 94,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,587.50 : 169,172.97 = 68,144.76 : x
  2. Step 2: Convert to fraction form
    122,587.50/169,172.97 = 68,144.76/x
  3. Step 3: Cross multiply
    122,587.50x = 169,172.97 × 68,144.76
  4. Step 4: Simplify right side
    122,587.50x = 11,528,251,439.14
  5. Step 5: Solve for x
    x = 11,528,251,439.14/122,587.50
  6. Step 6: Final answer
    x = 94,041.00

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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.