Home / 74,193.09-102,393.78-42,366.77

Finding the Fourth Proportional to 74,193.09, 102,393.78 and 42,366.77

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Solution

The fourth proportional to 74,193.09, 102,393.78 and 42,366.77 is: 58,470.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,193.09 : 102,393.78 = 42,366.77 : x
  2. Step 2: Convert to fraction form
    74,193.09/102,393.78 = 42,366.77/x
  3. Step 3: Cross multiply
    74,193.09x = 102,393.78 × 42,366.77
  4. Step 4: Simplify right side
    74,193.09x = 4,338,093,726.69
  5. Step 5: Solve for x
    x = 4,338,093,726.69/74,193.09
  6. Step 6: Final answer
    x = 58,470.32

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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.