Home / 166,140.16-249,024.48-87,262.72

Finding the Fourth Proportional to 166,140.16, 249,024.48 and 87,262.72

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Solution

The fourth proportional to 166,140.16, 249,024.48 and 87,262.72 is: 130,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,140.16 : 249,024.48 = 87,262.72 : x
  2. Step 2: Convert to fraction form
    166,140.16/249,024.48 = 87,262.72/x
  3. Step 3: Cross multiply
    166,140.16x = 249,024.48 × 87,262.72
  4. Step 4: Simplify right side
    166,140.16x = 21,730,553,471.39
  5. Step 5: Solve for x
    x = 21,730,553,471.39/166,140.16
  6. Step 6: Final answer
    x = 130,796.51

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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.