Home / 146,479.20-219,373.20-99,477.60

Finding the Fourth Proportional to 146,479.20, 219,373.20 and 99,477.60

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Solution

The fourth proportional to 146,479.20, 219,373.20 and 99,477.60 is: 148,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,479.20 : 219,373.20 = 99,477.60 : x
  2. Step 2: Convert to fraction form
    146,479.20/219,373.20 = 99,477.60/x
  3. Step 3: Cross multiply
    146,479.20x = 219,373.20 × 99,477.60
  4. Step 4: Simplify right side
    146,479.20x = 21,822,719,440.32
  5. Step 5: Solve for x
    x = 21,822,719,440.32/146,479.20
  6. Step 6: Final answer
    x = 148,981.69

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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.