Home / 209,187.42-288,703.08-124,304.46

Finding the Fourth Proportional to 209,187.42, 288,703.08 and 124,304.46

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Solution

The fourth proportional to 209,187.42, 288,703.08 and 124,304.46 is: 171,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,187.42 : 288,703.08 = 124,304.46 : x
  2. Step 2: Convert to fraction form
    209,187.42/288,703.08 = 124,304.46/x
  3. Step 3: Cross multiply
    209,187.42x = 288,703.08 × 124,304.46
  4. Step 4: Simplify right side
    209,187.42x = 35,887,080,459.74
  5. Step 5: Solve for x
    x = 35,887,080,459.74/209,187.42
  6. Step 6: Final answer
    x = 171,554.68

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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.