Home / 166,439.72-249,661.40-48,112.08

Finding the Fourth Proportional to 166,439.72, 249,661.40 and 48,112.08

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Solution

The fourth proportional to 166,439.72, 249,661.40 and 48,112.08 is: 72,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,439.72 : 249,661.40 = 48,112.08 : x
  2. Step 2: Convert to fraction form
    166,439.72/249,661.40 = 48,112.08/x
  3. Step 3: Cross multiply
    166,439.72x = 249,661.40 × 48,112.08
  4. Step 4: Simplify right side
    166,439.72x = 12,011,729,009.15
  5. Step 5: Solve for x
    x = 12,011,729,009.15/166,439.72
  6. Step 6: Final answer
    x = 72,168.65

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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.