Home / 152,985.18-229,398.58-68,672.74

Finding the Fourth Proportional to 152,985.18, 229,398.58 and 68,672.74

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Solution

The fourth proportional to 152,985.18, 229,398.58 and 68,672.74 is: 102,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,985.18 : 229,398.58 = 68,672.74 : x
  2. Step 2: Convert to fraction form
    152,985.18/229,398.58 = 68,672.74/x
  3. Step 3: Cross multiply
    152,985.18x = 229,398.58 × 68,672.74
  4. Step 4: Simplify right side
    152,985.18x = 15,753,429,040.71
  5. Step 5: Solve for x
    x = 15,753,429,040.71/152,985.18
  6. Step 6: Final answer
    x = 102,973.56

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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.