Home / 103,291.52-154,842.20-40,153.64

Finding the Fourth Proportional to 103,291.52, 154,842.20 and 40,153.64

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Solution

The fourth proportional to 103,291.52, 154,842.20 and 40,153.64 is: 60,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,291.52 : 154,842.20 = 40,153.64 : x
  2. Step 2: Convert to fraction form
    103,291.52/154,842.20 = 40,153.64/x
  3. Step 3: Cross multiply
    103,291.52x = 154,842.20 × 40,153.64
  4. Step 4: Simplify right side
    103,291.52x = 6,217,477,955.61
  5. Step 5: Solve for x
    x = 6,217,477,955.61/103,291.52
  6. Step 6: Final answer
    x = 60,193.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.