Home / 236,479.68-326,340.18-129,047.34

Finding the Fourth Proportional to 236,479.68, 326,340.18 and 129,047.34

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Solution

The fourth proportional to 236,479.68, 326,340.18 and 129,047.34 is: 178,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,479.68 : 326,340.18 = 129,047.34 : x
  2. Step 2: Convert to fraction form
    236,479.68/326,340.18 = 129,047.34/x
  3. Step 3: Cross multiply
    236,479.68x = 326,340.18 × 129,047.34
  4. Step 4: Simplify right side
    236,479.68x = 42,113,332,164.12
  5. Step 5: Solve for x
    x = 42,113,332,164.12/236,479.68
  6. Step 6: Final answer
    x = 178,084.36

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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.