Home / 153,390.30-229,779.09-121,853.58

Finding the Fourth Proportional to 153,390.30, 229,779.09 and 121,853.58

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Solution

The fourth proportional to 153,390.30, 229,779.09 and 121,853.58 is: 182,537.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,390.30 : 229,779.09 = 121,853.58 : x
  2. Step 2: Convert to fraction form
    153,390.30/229,779.09 = 121,853.58/x
  3. Step 3: Cross multiply
    153,390.30x = 229,779.09 × 121,853.58
  4. Step 4: Simplify right side
    153,390.30x = 27,999,404,725.64
  5. Step 5: Solve for x
    x = 27,999,404,725.64/153,390.30
  6. Step 6: Final answer
    x = 182,537.00

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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.