Home / 74,103.18-102,252.86-42,270.18

Finding the Fourth Proportional to 74,103.18, 102,252.86 and 42,270.18

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Solution

The fourth proportional to 74,103.18, 102,252.86 and 42,270.18 is: 58,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.18 : 102,252.86 = 42,270.18 : x
  2. Step 2: Convert to fraction form
    74,103.18/102,252.86 = 42,270.18/x
  3. Step 3: Cross multiply
    74,103.18x = 102,252.86 × 42,270.18
  4. Step 4: Simplify right side
    74,103.18x = 4,322,246,797.71
  5. Step 5: Solve for x
    x = 4,322,246,797.71/74,103.18
  6. Step 6: Final answer
    x = 58,327.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.