Home / 166,205.10-249,161.85-99,671.70

Finding the Fourth Proportional to 166,205.10, 249,161.85 and 99,671.70

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Solution

The fourth proportional to 166,205.10, 249,161.85 and 99,671.70 is: 149,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,205.10 : 249,161.85 = 99,671.70 : x
  2. Step 2: Convert to fraction form
    166,205.10/249,161.85 = 99,671.70/x
  3. Step 3: Cross multiply
    166,205.10x = 249,161.85 × 99,671.70
  4. Step 4: Simplify right side
    166,205.10x = 24,834,385,164.65
  5. Step 5: Solve for x
    x = 24,834,385,164.65/166,205.10
  6. Step 6: Final answer
    x = 149,420.12

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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.