Home / 146,656.13-202,385.46-79,588.13

Finding the Fourth Proportional to 146,656.13, 202,385.46 and 79,588.13

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Solution

The fourth proportional to 146,656.13, 202,385.46 and 79,588.13 is: 109,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,656.13 : 202,385.46 = 79,588.13 : x
  2. Step 2: Convert to fraction form
    146,656.13/202,385.46 = 79,588.13/x
  3. Step 3: Cross multiply
    146,656.13x = 202,385.46 × 79,588.13
  4. Step 4: Simplify right side
    146,656.13x = 16,107,479,288.66
  5. Step 5: Solve for x
    x = 16,107,479,288.66/146,656.13
  6. Step 6: Final answer
    x = 109,831.62

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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.