Home / 91,258.65-125,914.23-55,446.39

Finding the Fourth Proportional to 91,258.65, 125,914.23 and 55,446.39

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Solution

The fourth proportional to 91,258.65, 125,914.23 and 55,446.39 is: 76,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.65 : 125,914.23 = 55,446.39 : x
  2. Step 2: Convert to fraction form
    91,258.65/125,914.23 = 55,446.39/x
  3. Step 3: Cross multiply
    91,258.65x = 125,914.23 × 55,446.39
  4. Step 4: Simplify right side
    91,258.65x = 6,981,489,503.13
  5. Step 5: Solve for x
    x = 6,981,489,503.13/91,258.65
  6. Step 6: Final answer
    x = 76,502.22

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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.