Home / 166,878.60-230,298.34-91,427.16

Finding the Fourth Proportional to 166,878.60, 230,298.34 and 91,427.16

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Solution

The fourth proportional to 166,878.60, 230,298.34 and 91,427.16 is: 126,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,878.60 : 230,298.34 = 91,427.16 : x
  2. Step 2: Convert to fraction form
    166,878.60/230,298.34 = 91,427.16/x
  3. Step 3: Cross multiply
    166,878.60x = 230,298.34 × 91,427.16
  4. Step 4: Simplify right side
    166,878.60x = 21,055,523,178.91
  5. Step 5: Solve for x
    x = 21,055,523,178.91/166,878.60
  6. Step 6: Final answer
    x = 126,172.70

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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.