Home / 135,737.76-187,280.16-106,968.18

Finding the Fourth Proportional to 135,737.76, 187,280.16 and 106,968.18

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Solution

The fourth proportional to 135,737.76, 187,280.16 and 106,968.18 is: 147,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,737.76 : 187,280.16 = 106,968.18 : x
  2. Step 2: Convert to fraction form
    135,737.76/187,280.16 = 106,968.18/x
  3. Step 3: Cross multiply
    135,737.76x = 187,280.16 × 106,968.18
  4. Step 4: Simplify right side
    135,737.76x = 20,033,017,865.31
  5. Step 5: Solve for x
    x = 20,033,017,865.31/135,737.76
  6. Step 6: Final answer
    x = 147,586.18

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1.5x scale

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.