Home / 266,083.08-399,219.06-166,127.40

Finding the Fourth Proportional to 266,083.08, 399,219.06 and 166,127.40

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Solution

The fourth proportional to 266,083.08, 399,219.06 and 166,127.40 is: 249,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,083.08 : 399,219.06 = 166,127.40 : x
  2. Step 2: Convert to fraction form
    266,083.08/399,219.06 = 166,127.40/x
  3. Step 3: Cross multiply
    266,083.08x = 399,219.06 × 166,127.40
  4. Step 4: Simplify right side
    266,083.08x = 66,321,224,468.24
  5. Step 5: Solve for x
    x = 66,321,224,468.24/266,083.08
  6. Step 6: Final answer
    x = 249,250.06

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1.5x scale

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.