Home / 147,547.94-203,631.92-90,220.86

Finding the Fourth Proportional to 147,547.94, 203,631.92 and 90,220.86

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Solution

The fourth proportional to 147,547.94, 203,631.92 and 90,220.86 is: 124,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,547.94 : 203,631.92 = 90,220.86 : x
  2. Step 2: Convert to fraction form
    147,547.94/203,631.92 = 90,220.86/x
  3. Step 3: Cross multiply
    147,547.94x = 203,631.92 × 90,220.86
  4. Step 4: Simplify right side
    147,547.94x = 18,371,846,945.85
  5. Step 5: Solve for x
    x = 18,371,846,945.85/147,547.94
  6. Step 6: Final answer
    x = 124,514.43

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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.