Home / 166,477.95-249,639.29-86,494.42

Finding the Fourth Proportional to 166,477.95, 249,639.29 and 86,494.42

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Solution

The fourth proportional to 166,477.95, 249,639.29 and 86,494.42 is: 129,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,477.95 : 249,639.29 = 86,494.42 : x
  2. Step 2: Convert to fraction form
    166,477.95/249,639.29 = 86,494.42/x
  3. Step 3: Cross multiply
    166,477.95x = 249,639.29 × 86,494.42
  4. Step 4: Simplify right side
    166,477.95x = 21,592,404,349.57
  5. Step 5: Solve for x
    x = 21,592,404,349.57/166,477.95
  6. Step 6: Final answer
    x = 129,701.29

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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.