Home / 146,980.36-220,471.76-47,140.71

Finding the Fourth Proportional to 146,980.36, 220,471.76 and 47,140.71

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Solution

The fourth proportional to 146,980.36, 220,471.76 and 47,140.71 is: 70,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,980.36 : 220,471.76 = 47,140.71 : x
  2. Step 2: Convert to fraction form
    146,980.36/220,471.76 = 47,140.71/x
  3. Step 3: Cross multiply
    146,980.36x = 220,471.76 × 47,140.71
  4. Step 4: Simplify right side
    146,980.36x = 10,393,193,963.29
  5. Step 5: Solve for x
    x = 10,393,193,963.29/146,980.36
  6. Step 6: Final answer
    x = 70,711.45

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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.