Home / 166,099.47-249,324.57-77,438.49

Finding the Fourth Proportional to 166,099.47, 249,324.57 and 77,438.49

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Solution

The fourth proportional to 166,099.47, 249,324.57 and 77,438.49 is: 116,239.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,099.47 : 249,324.57 = 77,438.49 : x
  2. Step 2: Convert to fraction form
    166,099.47/249,324.57 = 77,438.49/x
  3. Step 3: Cross multiply
    166,099.47x = 249,324.57 × 77,438.49
  4. Step 4: Simplify right side
    166,099.47x = 19,307,318,220.70
  5. Step 5: Solve for x
    x = 19,307,318,220.70/166,099.47
  6. Step 6: Final answer
    x = 116,239.49

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1.5x scale

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.