Home / 119,252.35-178,583.27-87,587.32

Finding the Fourth Proportional to 119,252.35, 178,583.27 and 87,587.32

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Solution

The fourth proportional to 119,252.35, 178,583.27 and 87,587.32 is: 131,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.35 : 178,583.27 = 87,587.32 : x
  2. Step 2: Convert to fraction form
    119,252.35/178,583.27 = 87,587.32/x
  3. Step 3: Cross multiply
    119,252.35x = 178,583.27 × 87,587.32
  4. Step 4: Simplify right side
    119,252.35x = 15,641,630,016.14
  5. Step 5: Solve for x
    x = 15,641,630,016.14/119,252.35
  6. Step 6: Final answer
    x = 131,164.12

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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.