Home / 119,239.22-178,725.61-51,693.28

Finding the Fourth Proportional to 119,239.22, 178,725.61 and 51,693.28

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Solution

The fourth proportional to 119,239.22, 178,725.61 and 51,693.28 is: 77,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,239.22 : 178,725.61 = 51,693.28 : x
  2. Step 2: Convert to fraction form
    119,239.22/178,725.61 = 51,693.28/x
  3. Step 3: Cross multiply
    119,239.22x = 178,725.61 × 51,693.28
  4. Step 4: Simplify right side
    119,239.22x = 9,238,913,000.90
  5. Step 5: Solve for x
    x = 9,238,913,000.90/119,239.22
  6. Step 6: Final answer
    x = 77,482.17

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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.