Home / 147,336.80-220,859.40-72,395.60

Finding the Fourth Proportional to 147,336.80, 220,859.40 and 72,395.60

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Solution

The fourth proportional to 147,336.80, 220,859.40 and 72,395.60 is: 108,521.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336.80 : 220,859.40 = 72,395.60 : x
  2. Step 2: Convert to fraction form
    147,336.80/220,859.40 = 72,395.60/x
  3. Step 3: Cross multiply
    147,336.80x = 220,859.40 × 72,395.60
  4. Step 4: Simplify right side
    147,336.80x = 15,989,248,778.64
  5. Step 5: Solve for x
    x = 15,989,248,778.64/147,336.80
  6. Step 6: Final answer
    x = 108,521.76

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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.