Home / 121,257.95-167,327.37-66,807.74

Finding the Fourth Proportional to 121,257.95, 167,327.37 and 66,807.74

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Solution

The fourth proportional to 121,257.95, 167,327.37 and 66,807.74 is: 92,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,257.95 : 167,327.37 = 66,807.74 : x
  2. Step 2: Convert to fraction form
    121,257.95/167,327.37 = 66,807.74/x
  3. Step 3: Cross multiply
    121,257.95x = 167,327.37 × 66,807.74
  4. Step 4: Simplify right side
    121,257.95x = 11,178,763,429.84
  5. Step 5: Solve for x
    x = 11,178,763,429.84/121,257.95
  6. Step 6: Final answer
    x = 92,189.94

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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.