Home / 117,375.40-162,001.38-77,095.72

Finding the Fourth Proportional to 117,375.40, 162,001.38 and 77,095.72

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Solution

The fourth proportional to 117,375.40, 162,001.38 and 77,095.72 is: 106,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.40 : 162,001.38 = 77,095.72 : x
  2. Step 2: Convert to fraction form
    117,375.40/162,001.38 = 77,095.72/x
  3. Step 3: Cross multiply
    117,375.40x = 162,001.38 × 77,095.72
  4. Step 4: Simplify right side
    117,375.40x = 12,489,613,032.09
  5. Step 5: Solve for x
    x = 12,489,613,032.09/117,375.40
  6. Step 6: Final answer
    x = 106,407.42

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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.