Home / 122,514.05-169,087.70-74,795.13

Finding the Fourth Proportional to 122,514.05, 169,087.70 and 74,795.13

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Solution

The fourth proportional to 122,514.05, 169,087.70 and 74,795.13 is: 103,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.05 : 169,087.70 = 74,795.13 : x
  2. Step 2: Convert to fraction form
    122,514.05/169,087.70 = 74,795.13/x
  3. Step 3: Cross multiply
    122,514.05x = 169,087.70 × 74,795.13
  4. Step 4: Simplify right side
    122,514.05x = 12,646,936,689.89
  5. Step 5: Solve for x
    x = 12,646,936,689.89/122,514.05
  6. Step 6: Final answer
    x = 103,228.46

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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.