Home / 166,337.20-249,636.84-77,545

Finding the Fourth Proportional to 166,337.20, 249,636.84 and 77,545

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Solution

The fourth proportional to 166,337.20, 249,636.84 and 77,545 is: 116,378.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,337.20 : 249,636.84 = 77,545 : x
  2. Step 2: Convert to fraction form
    166,337.20/249,636.84 = 77,545/x
  3. Step 3: Cross multiply
    166,337.20x = 249,636.84 × 77,545
  4. Step 4: Simplify right side
    166,337.20x = 19,358,088,757.80
  5. Step 5: Solve for x
    x = 19,358,088,757.80/166,337.20
  6. Step 6: Final answer
    x = 116,378.59

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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.