Home / 131,448.93-181,394.30-74,100.18

Finding the Fourth Proportional to 131,448.93, 181,394.30 and 74,100.18

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Solution

The fourth proportional to 131,448.93, 181,394.30 and 74,100.18 is: 102,255.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,448.93 : 181,394.30 = 74,100.18 : x
  2. Step 2: Convert to fraction form
    131,448.93/181,394.30 = 74,100.18/x
  3. Step 3: Cross multiply
    131,448.93x = 181,394.30 × 74,100.18
  4. Step 4: Simplify right side
    131,448.93x = 13,441,351,146.45
  5. Step 5: Solve for x
    x = 13,441,351,146.45/131,448.93
  6. Step 6: Final answer
    x = 102,255.31

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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.