Home / 120,632.80-166,459.82-66,904.35

Finding the Fourth Proportional to 120,632.80, 166,459.82 and 66,904.35

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Solution

The fourth proportional to 120,632.80, 166,459.82 and 66,904.35 is: 92,320.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,632.80 : 166,459.82 = 66,904.35 : x
  2. Step 2: Convert to fraction form
    120,632.80/166,459.82 = 66,904.35/x
  3. Step 3: Cross multiply
    120,632.80x = 166,459.82 × 66,904.35
  4. Step 4: Simplify right side
    120,632.80x = 11,136,886,225.48
  5. Step 5: Solve for x
    x = 11,136,886,225.48/120,632.80
  6. Step 6: Final answer
    x = 92,320.55

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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.