Home / 166,036.08-249,053.12-77,240.64

Finding the Fourth Proportional to 166,036.08, 249,053.12 and 77,240.64

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Solution

The fourth proportional to 166,036.08, 249,053.12 and 77,240.64 is: 115,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,036.08 : 249,053.12 = 77,240.64 : x
  2. Step 2: Convert to fraction form
    166,036.08/249,053.12 = 77,240.64/x
  3. Step 3: Cross multiply
    166,036.08x = 249,053.12 × 77,240.64
  4. Step 4: Simplify right side
    166,036.08x = 19,237,022,382.80
  5. Step 5: Solve for x
    x = 19,237,022,382.80/166,036.08
  6. Step 6: Final answer
    x = 115,860.49

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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.