Home / 152,842.06-229,308.65-72,940.01

Finding the Fourth Proportional to 152,842.06, 229,308.65 and 72,940.01

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Solution

The fourth proportional to 152,842.06, 229,308.65 and 72,940.01 is: 109,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,842.06 : 229,308.65 = 72,940.01 : x
  2. Step 2: Convert to fraction form
    152,842.06/229,308.65 = 72,940.01/x
  3. Step 3: Cross multiply
    152,842.06x = 229,308.65 × 72,940.01
  4. Step 4: Simplify right side
    152,842.06x = 16,725,775,979.71
  5. Step 5: Solve for x
    x = 16,725,775,979.71/152,842.06
  6. Step 6: Final answer
    x = 109,431.76

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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.