Home / 139,547.04-192,576.87-75,884.82

Finding the Fourth Proportional to 139,547.04, 192,576.87 and 75,884.82

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Solution

The fourth proportional to 139,547.04, 192,576.87 and 75,884.82 is: 104,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,547.04 : 192,576.87 = 75,884.82 : x
  2. Step 2: Convert to fraction form
    139,547.04/192,576.87 = 75,884.82/x
  3. Step 3: Cross multiply
    139,547.04x = 192,576.87 × 75,884.82
  4. Step 4: Simplify right side
    139,547.04x = 14,613,661,116.11
  5. Step 5: Solve for x
    x = 14,613,661,116.11/139,547.04
  6. Step 6: Final answer
    x = 104,722.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.