Home / 147,434.08-203,324.10-109,288.66

Finding the Fourth Proportional to 147,434.08, 203,324.10 and 109,288.66

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Solution

The fourth proportional to 147,434.08, 203,324.10 and 109,288.66 is: 150,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434.08 : 203,324.10 = 109,288.66 : x
  2. Step 2: Convert to fraction form
    147,434.08/203,324.10 = 109,288.66/x
  3. Step 3: Cross multiply
    147,434.08x = 203,324.10 × 109,288.66
  4. Step 4: Simplify right side
    147,434.08x = 22,221,018,434.71
  5. Step 5: Solve for x
    x = 22,221,018,434.71/147,434.08
  6. Step 6: Final answer
    x = 150,718.33

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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.