Home / 124,005.90-171,120.49-69,555.07

Finding the Fourth Proportional to 124,005.90, 171,120.49 and 69,555.07

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Solution

The fourth proportional to 124,005.90, 171,120.49 and 69,555.07 is: 95,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,005.90 : 171,120.49 = 69,555.07 : x
  2. Step 2: Convert to fraction form
    124,005.90/171,120.49 = 69,555.07/x
  3. Step 3: Cross multiply
    124,005.90x = 171,120.49 × 69,555.07
  4. Step 4: Simplify right side
    124,005.90x = 11,902,297,660.38
  5. Step 5: Solve for x
    x = 11,902,297,660.38/124,005.90
  6. Step 6: Final answer
    x = 95,981.70

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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.