Home / 92,685.18-138,904.72-48,300

Finding the Fourth Proportional to 92,685.18, 138,904.72 and 48,300

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Solution

The fourth proportional to 92,685.18, 138,904.72 and 48,300 is: 72,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.18 : 138,904.72 = 48,300 : x
  2. Step 2: Convert to fraction form
    92,685.18/138,904.72 = 48,300/x
  3. Step 3: Cross multiply
    92,685.18x = 138,904.72 × 48,300
  4. Step 4: Simplify right side
    92,685.18x = 6,709,097,976
  5. Step 5: Solve for x
    x = 6,709,097,976/92,685.18
  6. Step 6: Final answer
    x = 72,385.88

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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.