Home / 236,911.65-326,933.22-129,482.45

Finding the Fourth Proportional to 236,911.65, 326,933.22 and 129,482.45

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Solution

The fourth proportional to 236,911.65, 326,933.22 and 129,482.45 is: 178,683.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,911.65 : 326,933.22 = 129,482.45 : x
  2. Step 2: Convert to fraction form
    236,911.65/326,933.22 = 129,482.45/x
  3. Step 3: Cross multiply
    236,911.65x = 326,933.22 × 129,482.45
  4. Step 4: Simplify right side
    236,911.65x = 42,332,112,677.32
  5. Step 5: Solve for x
    x = 42,332,112,677.32/236,911.65
  6. Step 6: Final answer
    x = 178,683.12

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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.