Home / 166,281.48-249,505.62-77,541.90

Finding the Fourth Proportional to 166,281.48, 249,505.62 and 77,541.90

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Solution

The fourth proportional to 166,281.48, 249,505.62 and 77,541.90 is: 116,351.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,281.48 : 249,505.62 = 77,541.90 : x
  2. Step 2: Convert to fraction form
    166,281.48/249,505.62 = 77,541.90/x
  3. Step 3: Cross multiply
    166,281.48x = 249,505.62 × 77,541.90
  4. Step 4: Simplify right side
    166,281.48x = 19,347,139,835.48
  5. Step 5: Solve for x
    x = 19,347,139,835.48/166,281.48
  6. Step 6: Final answer
    x = 116,351.74

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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.