Home / 166,089.17-249,139.32-53,770.32

Finding the Fourth Proportional to 166,089.17, 249,139.32 and 53,770.32

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Solution

The fourth proportional to 166,089.17, 249,139.32 and 53,770.32 is: 80,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,089.17 : 249,139.32 = 53,770.32 : x
  2. Step 2: Convert to fraction form
    166,089.17/249,139.32 = 53,770.32/x
  3. Step 3: Cross multiply
    166,089.17x = 249,139.32 × 53,770.32
  4. Step 4: Simplify right side
    166,089.17x = 13,396,300,960.98
  5. Step 5: Solve for x
    x = 13,396,300,960.98/166,089.17
  6. Step 6: Final answer
    x = 80,657.28

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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.