Home / 120,545.40-166,362.51-66,847.26

Finding the Fourth Proportional to 120,545.40, 166,362.51 and 66,847.26

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Solution

The fourth proportional to 120,545.40, 166,362.51 and 66,847.26 is: 92,254.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,545.40 : 166,362.51 = 66,847.26 : x
  2. Step 2: Convert to fraction form
    120,545.40/166,362.51 = 66,847.26/x
  3. Step 3: Cross multiply
    120,545.40x = 166,362.51 × 66,847.26
  4. Step 4: Simplify right side
    120,545.40x = 11,120,877,960.22
  5. Step 5: Solve for x
    x = 11,120,877,960.22/120,545.40
  6. Step 6: Final answer
    x = 92,254.69

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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.