Home / 166,106.94-249,151.48-81,783.04

Finding the Fourth Proportional to 166,106.94, 249,151.48 and 81,783.04

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Solution

The fourth proportional to 166,106.94, 249,151.48 and 81,783.04 is: 122,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,106.94 : 249,151.48 = 81,783.04 : x
  2. Step 2: Convert to fraction form
    166,106.94/249,151.48 = 81,783.04/x
  3. Step 3: Cross multiply
    166,106.94x = 249,151.48 × 81,783.04
  4. Step 4: Simplify right side
    166,106.94x = 20,376,365,454.90
  5. Step 5: Solve for x
    x = 20,376,365,454.90/166,106.94
  6. Step 6: Final answer
    x = 122,670.16

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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.