Home / 119,521.62-165,051.81-74,887.38

Finding the Fourth Proportional to 119,521.62, 165,051.81 and 74,887.38

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Solution

The fourth proportional to 119,521.62, 165,051.81 and 74,887.38 is: 103,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,521.62 : 165,051.81 = 74,887.38 : x
  2. Step 2: Convert to fraction form
    119,521.62/165,051.81 = 74,887.38/x
  3. Step 3: Cross multiply
    119,521.62x = 165,051.81 × 74,887.38
  4. Step 4: Simplify right side
    119,521.62x = 12,360,297,615.16
  5. Step 5: Solve for x
    x = 12,360,297,615.16/119,521.62
  6. Step 6: Final answer
    x = 103,414.74

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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.