Home / 166,083.50-249,122.91-77,287.34

Finding the Fourth Proportional to 166,083.50, 249,122.91 and 77,287.34

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Solution

The fourth proportional to 166,083.50, 249,122.91 and 77,287.34 is: 115,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,083.50 : 249,122.91 = 77,287.34 : x
  2. Step 2: Convert to fraction form
    166,083.50/249,122.91 = 77,287.34/x
  3. Step 3: Cross multiply
    166,083.50x = 249,122.91 × 77,287.34
  4. Step 4: Simplify right side
    166,083.50x = 19,254,047,046.96
  5. Step 5: Solve for x
    x = 19,254,047,046.96/166,083.50
  6. Step 6: Final answer
    x = 115,929.92

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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.