Home / 74,144.16-102,317.99-42,313.59

Finding the Fourth Proportional to 74,144.16, 102,317.99 and 42,313.59

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Solution

The fourth proportional to 74,144.16, 102,317.99 and 42,313.59 is: 58,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144.16 : 102,317.99 = 42,313.59 : x
  2. Step 2: Convert to fraction form
    74,144.16/102,317.99 = 42,313.59/x
  3. Step 3: Cross multiply
    74,144.16x = 102,317.99 × 42,313.59
  4. Step 4: Simplify right side
    74,144.16x = 4,329,441,266.92
  5. Step 5: Solve for x
    x = 4,329,441,266.92/74,144.16
  6. Step 6: Final answer
    x = 58,392.21

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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.