Home / 146,819.20-220,689.60-144,054.40

Finding the Fourth Proportional to 146,819.20, 220,689.60 and 144,054.40

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Solution

The fourth proportional to 146,819.20, 220,689.60 and 144,054.40 is: 216,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,819.20 : 220,689.60 = 144,054.40 : x
  2. Step 2: Convert to fraction form
    146,819.20/220,689.60 = 144,054.40/x
  3. Step 3: Cross multiply
    146,819.20x = 220,689.60 × 144,054.40
  4. Step 4: Simplify right side
    146,819.20x = 31,791,307,914.24
  5. Step 5: Solve for x
    x = 31,791,307,914.24/146,819.20
  6. Step 6: Final answer
    x = 216,533.72

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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.