Home / 147,737.20-221,346.60-121,298.80

Finding the Fourth Proportional to 147,737.20, 221,346.60 and 121,298.80

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Solution

The fourth proportional to 147,737.20, 221,346.60 and 121,298.80 is: 181,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,737.20 : 221,346.60 = 121,298.80 : x
  2. Step 2: Convert to fraction form
    147,737.20/221,346.60 = 121,298.80/x
  3. Step 3: Cross multiply
    147,737.20x = 221,346.60 × 121,298.80
  4. Step 4: Simplify right side
    147,737.20x = 26,849,076,964.08
  5. Step 5: Solve for x
    x = 26,849,076,964.08/147,737.20
  6. Step 6: Final answer
    x = 181,735.39

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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.