Home / 212,205.41-318,240.57-70,024.17

Finding the Fourth Proportional to 212,205.41, 318,240.57 and 70,024.17

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Solution

The fourth proportional to 212,205.41, 318,240.57 and 70,024.17 is: 105,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,205.41 : 318,240.57 = 70,024.17 : x
  2. Step 2: Convert to fraction form
    212,205.41/318,240.57 = 70,024.17/x
  3. Step 3: Cross multiply
    212,205.41x = 318,240.57 × 70,024.17
  4. Step 4: Simplify right side
    212,205.41x = 22,284,531,774.58
  5. Step 5: Solve for x
    x = 22,284,531,774.58/212,205.41
  6. Step 6: Final answer
    x = 105,013.97

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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.