Home / 117,769.72-176,547.66-42,836.89

Finding the Fourth Proportional to 117,769.72, 176,547.66 and 42,836.89

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Solution

The fourth proportional to 117,769.72, 176,547.66 and 42,836.89 is: 64,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.72 : 176,547.66 = 42,836.89 : x
  2. Step 2: Convert to fraction form
    117,769.72/176,547.66 = 42,836.89/x
  3. Step 3: Cross multiply
    117,769.72x = 176,547.66 × 42,836.89
  4. Step 4: Simplify right side
    117,769.72x = 7,562,751,808.44
  5. Step 5: Solve for x
    x = 7,562,751,808.44/117,769.72
  6. Step 6: Final answer
    x = 64,216.44

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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.