Home / 236,854.35-326,855.04-129,421.91

Finding the Fourth Proportional to 236,854.35, 326,855.04 and 129,421.91

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Solution

The fourth proportional to 236,854.35, 326,855.04 and 129,421.91 is: 178,600.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,854.35 : 326,855.04 = 129,421.91 : x
  2. Step 2: Convert to fraction form
    236,854.35/326,855.04 = 129,421.91/x
  3. Step 3: Cross multiply
    236,854.35x = 326,855.04 × 129,421.91
  4. Step 4: Simplify right side
    236,854.35x = 42,302,201,935.65
  5. Step 5: Solve for x
    x = 42,302,201,935.65/236,854.35
  6. Step 6: Final answer
    x = 178,600.06

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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.