Home / 74,141.16-102,339.75-45,069.42

Finding the Fourth Proportional to 74,141.16, 102,339.75 and 45,069.42

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Solution

The fourth proportional to 74,141.16, 102,339.75 and 45,069.42 is: 62,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,141.16 : 102,339.75 = 45,069.42 : x
  2. Step 2: Convert to fraction form
    74,141.16/102,339.75 = 45,069.42/x
  3. Step 3: Cross multiply
    74,141.16x = 102,339.75 × 45,069.42
  4. Step 4: Simplify right side
    74,141.16x = 4,612,393,175.45
  5. Step 5: Solve for x
    x = 4,612,393,175.45/74,141.16
  6. Step 6: Final answer
    x = 62,210.97

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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.