Home / 219,256.32-302,572.80-123,761.92

Finding the Fourth Proportional to 219,256.32, 302,572.80 and 123,761.92

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Solution

The fourth proportional to 219,256.32, 302,572.80 and 123,761.92 is: 170,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,256.32 : 302,572.80 = 123,761.92 : x
  2. Step 2: Convert to fraction form
    219,256.32/302,572.80 = 123,761.92/x
  3. Step 3: Cross multiply
    219,256.32x = 302,572.80 × 123,761.92
  4. Step 4: Simplify right side
    219,256.32x = 37,446,990,667.78
  5. Step 5: Solve for x
    x = 37,446,990,667.78/219,256.32
  6. Step 6: Final answer
    x = 170,790.93

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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.