Home / 147,122.47-203,022.85-83,472.27

Finding the Fourth Proportional to 147,122.47, 203,022.85 and 83,472.27

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Solution

The fourth proportional to 147,122.47, 203,022.85 and 83,472.27 is: 115,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,122.47 : 203,022.85 = 83,472.27 : x
  2. Step 2: Convert to fraction form
    147,122.47/203,022.85 = 83,472.27/x
  3. Step 3: Cross multiply
    147,122.47x = 203,022.85 × 83,472.27
  4. Step 4: Simplify right side
    147,122.47x = 16,946,778,151.37
  5. Step 5: Solve for x
    x = 16,946,778,151.37/147,122.47
  6. Step 6: Final answer
    x = 115,188.24

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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.