Home / 147,857.57-203,831.00-105,342.29

Finding the Fourth Proportional to 147,857.57, 203,831.00 and 105,342.29

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Solution

The fourth proportional to 147,857.57, 203,831.00 and 105,342.29 is: 145,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,857.57 : 203,831.00 = 105,342.29 : x
  2. Step 2: Convert to fraction form
    147,857.57/203,831.00 = 105,342.29/x
  3. Step 3: Cross multiply
    147,857.57x = 203,831.00 × 105,342.29
  4. Step 4: Simplify right side
    147,857.57x = 21,472,023,926.52
  5. Step 5: Solve for x
    x = 21,472,023,926.52/147,857.57
  6. Step 6: Final answer
    x = 145,221.00

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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.