Home / 236,715.19-326,674.04-129,290.29

Finding the Fourth Proportional to 236,715.19, 326,674.04 and 129,290.29

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Solution

The fourth proportional to 236,715.19, 326,674.04 and 129,290.29 is: 178,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,715.19 : 326,674.04 = 129,290.29 : x
  2. Step 2: Convert to fraction form
    236,715.19/326,674.04 = 129,290.29/x
  3. Step 3: Cross multiply
    236,715.19x = 326,674.04 × 129,290.29
  4. Step 4: Simplify right side
    236,715.19x = 42,235,781,980.66
  5. Step 5: Solve for x
    x = 42,235,781,980.66/236,715.19
  6. Step 6: Final answer
    x = 178,424.47

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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.