Home / 120,587.03-166,410.54-66,877.01

Finding the Fourth Proportional to 120,587.03, 166,410.54 and 66,877.01

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Solution

The fourth proportional to 120,587.03, 166,410.54 and 66,877.01 is: 92,290.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587.03 : 166,410.54 = 66,877.01 : x
  2. Step 2: Convert to fraction form
    120,587.03/166,410.54 = 66,877.01/x
  3. Step 3: Cross multiply
    120,587.03x = 166,410.54 × 66,877.01
  4. Step 4: Simplify right side
    120,587.03x = 11,129,039,347.69
  5. Step 5: Solve for x
    x = 11,129,039,347.69/120,587.03
  6. Step 6: Final answer
    x = 92,290.52

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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.