Home / 166,712.68-249,948.06-77,916.52

Finding the Fourth Proportional to 166,712.68, 249,948.06 and 77,916.52

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Solution

The fourth proportional to 166,712.68, 249,948.06 and 77,916.52 is: 116,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,712.68 : 249,948.06 = 77,916.52 : x
  2. Step 2: Convert to fraction form
    166,712.68/249,948.06 = 77,916.52/x
  3. Step 3: Cross multiply
    166,712.68x = 249,948.06 × 77,916.52
  4. Step 4: Simplify right side
    166,712.68x = 19,475,083,015.95
  5. Step 5: Solve for x
    x = 19,475,083,015.95/166,712.68
  6. Step 6: Final answer
    x = 116,818.25

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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.