Home / 166,112.78-249,160.46-47,779.47

Finding the Fourth Proportional to 166,112.78, 249,160.46 and 47,779.47

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Solution

The fourth proportional to 166,112.78, 249,160.46 and 47,779.47 is: 71,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,112.78 : 249,160.46 = 47,779.47 : x
  2. Step 2: Convert to fraction form
    166,112.78/249,160.46 = 47,779.47/x
  3. Step 3: Cross multiply
    166,112.78x = 249,160.46 × 47,779.47
  4. Step 4: Simplify right side
    166,112.78x = 11,904,754,484.86
  5. Step 5: Solve for x
    x = 11,904,754,484.86/166,112.78
  6. Step 6: Final answer
    x = 71,666.70

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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.