Home / 166,316.20-249,474.30-99,831.40

Finding the Fourth Proportional to 166,316.20, 249,474.30 and 99,831.40

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Solution

The fourth proportional to 166,316.20, 249,474.30 and 99,831.40 is: 149,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,316.20 : 249,474.30 = 99,831.40 : x
  2. Step 2: Convert to fraction form
    166,316.20/249,474.30 = 99,831.40/x
  3. Step 3: Cross multiply
    166,316.20x = 249,474.30 × 99,831.40
  4. Step 4: Simplify right side
    166,316.20x = 24,905,368,633.02
  5. Step 5: Solve for x
    x = 24,905,368,633.02/166,316.20
  6. Step 6: Final answer
    x = 149,747.10

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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.