Home / 153,150.32-229,725.48-69,986

Finding the Fourth Proportional to 153,150.32, 229,725.48 and 69,986

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Solution

The fourth proportional to 153,150.32, 229,725.48 and 69,986 is: 104,979

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,150.32 : 229,725.48 = 69,986 : x
  2. Step 2: Convert to fraction form
    153,150.32/229,725.48 = 69,986/x
  3. Step 3: Cross multiply
    153,150.32x = 229,725.48 × 69,986
  4. Step 4: Simplify right side
    153,150.32x = 16,077,567,443.28
  5. Step 5: Solve for x
    x = 16,077,567,443.28/153,150.32
  6. Step 6: Final answer
    x = 104,979

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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.