Home / 236,842.48-326,844.92-129,412.50

Finding the Fourth Proportional to 236,842.48, 326,844.92 and 129,412.50

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Solution

The fourth proportional to 236,842.48, 326,844.92 and 129,412.50 is: 178,590.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,842.48 : 326,844.92 = 129,412.50 : x
  2. Step 2: Convert to fraction form
    236,842.48/326,844.92 = 129,412.50/x
  3. Step 3: Cross multiply
    236,842.48x = 326,844.92 × 129,412.50
  4. Step 4: Simplify right side
    236,842.48x = 42,297,818,209.50
  5. Step 5: Solve for x
    x = 42,297,818,209.50/236,842.48
  6. Step 6: Final answer
    x = 178,590.51

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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.