Home / 220,640.04-304,484.58-120,038.76

Finding the Fourth Proportional to 220,640.04, 304,484.58 and 120,038.76

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Solution

The fourth proportional to 220,640.04, 304,484.58 and 120,038.76 is: 165,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,640.04 : 304,484.58 = 120,038.76 : x
  2. Step 2: Convert to fraction form
    220,640.04/304,484.58 = 120,038.76/x
  3. Step 3: Cross multiply
    220,640.04x = 304,484.58 × 120,038.76
  4. Step 4: Simplify right side
    220,640.04x = 36,549,951,422.32
  5. Step 5: Solve for x
    x = 36,549,951,422.32/220,640.04
  6. Step 6: Final answer
    x = 165,654.21

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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.