Home / 166,126.50-249,187.41-77,330.34

Finding the Fourth Proportional to 166,126.50, 249,187.41 and 77,330.34

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Solution

The fourth proportional to 166,126.50, 249,187.41 and 77,330.34 is: 115,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,126.50 : 249,187.41 = 77,330.34 : x
  2. Step 2: Convert to fraction form
    166,126.50/249,187.41 = 77,330.34/x
  3. Step 3: Cross multiply
    166,126.50x = 249,187.41 × 77,330.34
  4. Step 4: Simplify right side
    166,126.50x = 19,269,747,139.02
  5. Step 5: Solve for x
    x = 19,269,747,139.02/166,126.50
  6. Step 6: Final answer
    x = 115,994.42

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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.