Home / 147,131.07-220,644.72-47,257.53

Finding the Fourth Proportional to 147,131.07, 220,644.72 and 47,257.53

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Solution

The fourth proportional to 147,131.07, 220,644.72 and 47,257.53 is: 70,869.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,131.07 : 220,644.72 = 47,257.53 : x
  2. Step 2: Convert to fraction form
    147,131.07/220,644.72 = 47,257.53/x
  3. Step 3: Cross multiply
    147,131.07x = 220,644.72 × 47,257.53
  4. Step 4: Simplify right side
    147,131.07x = 10,427,124,474.74
  5. Step 5: Solve for x
    x = 10,427,124,474.74/147,131.07
  6. Step 6: Final answer
    x = 70,869.63

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1.5x scale

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.