Home / 82,860.30-124,290.45-82,277.10

Finding the Fourth Proportional to 82,860.30, 124,290.45 and 82,277.10

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Solution

The fourth proportional to 82,860.30, 124,290.45 and 82,277.10 is: 123,415.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.30 : 124,290.45 = 82,277.10 : x
  2. Step 2: Convert to fraction form
    82,860.30/124,290.45 = 82,277.10/x
  3. Step 3: Cross multiply
    82,860.30x = 124,290.45 × 82,277.10
  4. Step 4: Simplify right side
    82,860.30x = 10,226,257,783.70
  5. Step 5: Solve for x
    x = 10,226,257,783.70/82,860.30
  6. Step 6: Final answer
    x = 123,415.65

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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.