Home / 212,182.86-318,284.24-70,040.52

Finding the Fourth Proportional to 212,182.86, 318,284.24 and 70,040.52

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Solution

The fourth proportional to 212,182.86, 318,284.24 and 70,040.52 is: 105,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,182.86 : 318,284.24 = 70,040.52 : x
  2. Step 2: Convert to fraction form
    212,182.86/318,284.24 = 70,040.52/x
  3. Step 3: Cross multiply
    212,182.86x = 318,284.24 × 70,040.52
  4. Step 4: Simplify right side
    212,182.86x = 22,292,793,677.40
  5. Step 5: Solve for x
    x = 22,292,793,677.40/212,182.86
  6. Step 6: Final answer
    x = 105,064.06

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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.