Home / 261,342.12-360,667.86-153,983.70

Finding the Fourth Proportional to 261,342.12, 360,667.86 and 153,983.70

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Solution

The fourth proportional to 261,342.12, 360,667.86 and 153,983.70 is: 212,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,342.12 : 360,667.86 = 153,983.70 : x
  2. Step 2: Convert to fraction form
    261,342.12/360,667.86 = 153,983.70/x
  3. Step 3: Cross multiply
    261,342.12x = 360,667.86 × 153,983.70
  4. Step 4: Simplify right side
    261,342.12x = 55,536,971,553.88
  5. Step 5: Solve for x
    x = 55,536,971,553.88/261,342.12
  6. Step 6: Final answer
    x = 212,506.78

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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.