Home / 91,510.26-137,263.95-29,180.34

Finding the Fourth Proportional to 91,510.26, 137,263.95 and 29,180.34

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Solution

The fourth proportional to 91,510.26, 137,263.95 and 29,180.34 is: 43,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,510.26 : 137,263.95 = 29,180.34 : x
  2. Step 2: Convert to fraction form
    91,510.26/137,263.95 = 29,180.34/x
  3. Step 3: Cross multiply
    91,510.26x = 137,263.95 × 29,180.34
  4. Step 4: Simplify right side
    91,510.26x = 4,005,408,730.74
  5. Step 5: Solve for x
    x = 4,005,408,730.74/91,510.26
  6. Step 6: Final answer
    x = 43,770.05

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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.