Home / 153,977.60-230,966.40-104,081.60

Finding the Fourth Proportional to 153,977.60, 230,966.40 and 104,081.60

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Solution

The fourth proportional to 153,977.60, 230,966.40 and 104,081.60 is: 156,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,977.60 : 230,966.40 = 104,081.60 : x
  2. Step 2: Convert to fraction form
    153,977.60/230,966.40 = 104,081.60/x
  3. Step 3: Cross multiply
    153,977.60x = 230,966.40 × 104,081.60
  4. Step 4: Simplify right side
    153,977.60x = 24,039,352,458.24
  5. Step 5: Solve for x
    x = 24,039,352,458.24/153,977.60
  6. Step 6: Final answer
    x = 156,122.40

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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.