Home / 227,081.84-313,397.40-125,117.64

Finding the Fourth Proportional to 227,081.84, 313,397.40 and 125,117.64

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Solution

The fourth proportional to 227,081.84, 313,397.40 and 125,117.64 is: 172,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,081.84 : 313,397.40 = 125,117.64 : x
  2. Step 2: Convert to fraction form
    227,081.84/313,397.40 = 125,117.64/x
  3. Step 3: Cross multiply
    227,081.84x = 313,397.40 × 125,117.64
  4. Step 4: Simplify right side
    227,081.84x = 39,211,543,070.14
  5. Step 5: Solve for x
    x = 39,211,543,070.14/227,081.84
  6. Step 6: Final answer
    x = 172,675.82

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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.