Home / 166,764.21-230,132.95-90,281.28

Finding the Fourth Proportional to 166,764.21, 230,132.95 and 90,281.28

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Solution

The fourth proportional to 166,764.21, 230,132.95 and 90,281.28 is: 124,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,764.21 : 230,132.95 = 90,281.28 : x
  2. Step 2: Convert to fraction form
    166,764.21/230,132.95 = 90,281.28/x
  3. Step 3: Cross multiply
    166,764.21x = 230,132.95 × 90,281.28
  4. Step 4: Simplify right side
    166,764.21x = 20,776,696,607.99
  5. Step 5: Solve for x
    x = 20,776,696,607.99/166,764.21
  6. Step 6: Final answer
    x = 124,587.27

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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.