Home / 154,925.30-213,748.18-86,932.28

Finding the Fourth Proportional to 154,925.30, 213,748.18 and 86,932.28

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Solution

The fourth proportional to 154,925.30, 213,748.18 and 86,932.28 is: 119,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,925.30 : 213,748.18 = 86,932.28 : x
  2. Step 2: Convert to fraction form
    154,925.30/213,748.18 = 86,932.28/x
  3. Step 3: Cross multiply
    154,925.30x = 213,748.18 × 86,932.28
  4. Step 4: Simplify right side
    154,925.30x = 18,581,615,347.18
  5. Step 5: Solve for x
    x = 18,581,615,347.18/154,925.30
  6. Step 6: Final answer
    x = 119,939.20

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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.