Home / 223,209.48-308,031.35-121,235.93

Finding the Fourth Proportional to 223,209.48, 308,031.35 and 121,235.93

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Solution

The fourth proportional to 223,209.48, 308,031.35 and 121,235.93 is: 167,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,209.48 : 308,031.35 = 121,235.93 : x
  2. Step 2: Convert to fraction form
    223,209.48/308,031.35 = 121,235.93/x
  3. Step 3: Cross multiply
    223,209.48x = 308,031.35 × 121,235.93
  4. Step 4: Simplify right side
    223,209.48x = 37,344,465,040.07
  5. Step 5: Solve for x
    x = 37,344,465,040.07/223,209.48
  6. Step 6: Final answer
    x = 167,306.81

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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.