Home / 166,560.74-249,951.83-77,821.16

Finding the Fourth Proportional to 166,560.74, 249,951.83 and 77,821.16

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Solution

The fourth proportional to 166,560.74, 249,951.83 and 77,821.16 is: 116,783.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,560.74 : 249,951.83 = 77,821.16 : x
  2. Step 2: Convert to fraction form
    166,560.74/249,951.83 = 77,821.16/x
  3. Step 3: Cross multiply
    166,560.74x = 249,951.83 × 77,821.16
  4. Step 4: Simplify right side
    166,560.74x = 19,451,539,715.86
  5. Step 5: Solve for x
    x = 19,451,539,715.86/166,560.74
  6. Step 6: Final answer
    x = 116,783.46

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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.