Home / 166,451.80-249,740.55-99,938.29

Finding the Fourth Proportional to 166,451.80, 249,740.55 and 99,938.29

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Solution

The fourth proportional to 166,451.80, 249,740.55 and 99,938.29 is: 149,945.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,451.80 : 249,740.55 = 99,938.29 : x
  2. Step 2: Convert to fraction form
    166,451.80/249,740.55 = 99,938.29/x
  3. Step 3: Cross multiply
    166,451.80x = 249,740.55 × 99,938.29
  4. Step 4: Simplify right side
    166,451.80x = 24,958,643,510.66
  5. Step 5: Solve for x
    x = 24,958,643,510.66/166,451.80
  6. Step 6: Final answer
    x = 149,945.17

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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.