Home / 166,069.12-249,101.04-77,272.96

Finding the Fourth Proportional to 166,069.12, 249,101.04 and 77,272.96

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Solution

The fourth proportional to 166,069.12, 249,101.04 and 77,272.96 is: 115,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,069.12 : 249,101.04 = 77,272.96 : x
  2. Step 2: Convert to fraction form
    166,069.12/249,101.04 = 77,272.96/x
  3. Step 3: Cross multiply
    166,069.12x = 249,101.04 × 77,272.96
  4. Step 4: Simplify right side
    166,069.12x = 19,248,774,699.88
  5. Step 5: Solve for x
    x = 19,248,774,699.88/166,069.12
  6. Step 6: Final answer
    x = 115,908.21

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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.