Home / 121,159.98-166,848-94,257.18

Finding the Fourth Proportional to 121,159.98, 166,848 and 94,257.18

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Solution

The fourth proportional to 121,159.98, 166,848 and 94,257.18 is: 129,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,159.98 : 166,848 = 94,257.18 : x
  2. Step 2: Convert to fraction form
    121,159.98/166,848 = 94,257.18/x
  3. Step 3: Cross multiply
    121,159.98x = 166,848 × 94,257.18
  4. Step 4: Simplify right side
    121,159.98x = 15,726,621,968.64
  5. Step 5: Solve for x
    x = 15,726,621,968.64/121,159.98
  6. Step 6: Final answer
    x = 129,800.47

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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.