Home / 166,437.28-249,718.80-99,923.78

Finding the Fourth Proportional to 166,437.28, 249,718.80 and 99,923.78

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Solution

The fourth proportional to 166,437.28, 249,718.80 and 99,923.78 is: 149,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,437.28 : 249,718.80 = 99,923.78 : x
  2. Step 2: Convert to fraction form
    166,437.28/249,718.80 = 99,923.78/x
  3. Step 3: Cross multiply
    166,437.28x = 249,718.80 × 99,923.78
  4. Step 4: Simplify right side
    166,437.28x = 24,952,845,465.34
  5. Step 5: Solve for x
    x = 24,952,845,465.34/166,437.28
  6. Step 6: Final answer
    x = 149,923.41

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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.