Home / 153,048.20-229,118.70-113,779.40

Finding the Fourth Proportional to 153,048.20, 229,118.70 and 113,779.40

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Solution

The fourth proportional to 153,048.20, 229,118.70 and 113,779.40 is: 170,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,048.20 : 229,118.70 = 113,779.40 : x
  2. Step 2: Convert to fraction form
    153,048.20/229,118.70 = 113,779.40/x
  3. Step 3: Cross multiply
    153,048.20x = 229,118.70 × 113,779.40
  4. Step 4: Simplify right side
    153,048.20x = 26,068,988,214.78
  5. Step 5: Solve for x
    x = 26,068,988,214.78/153,048.20
  6. Step 6: Final answer
    x = 170,331.88

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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.