Home / 109,948.15-151,744.73-69,665.66

Finding the Fourth Proportional to 109,948.15, 151,744.73 and 69,665.66

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Solution

The fourth proportional to 109,948.15, 151,744.73 and 69,665.66 is: 96,148.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.15 : 151,744.73 = 69,665.66 : x
  2. Step 2: Convert to fraction form
    109,948.15/151,744.73 = 69,665.66/x
  3. Step 3: Cross multiply
    109,948.15x = 151,744.73 × 69,665.66
  4. Step 4: Simplify right side
    109,948.15x = 10,571,396,798.01
  5. Step 5: Solve for x
    x = 10,571,396,798.01/109,948.15
  6. Step 6: Final answer
    x = 96,148.93

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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.