Home / 120,417.83-166,176.60-66,706.32

Finding the Fourth Proportional to 120,417.83, 166,176.60 and 66,706.32

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Solution

The fourth proportional to 120,417.83, 166,176.60 and 66,706.32 is: 92,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,417.83 : 166,176.60 = 66,706.32 : x
  2. Step 2: Convert to fraction form
    120,417.83/166,176.60 = 66,706.32/x
  3. Step 3: Cross multiply
    120,417.83x = 166,176.60 × 66,706.32
  4. Step 4: Simplify right side
    120,417.83x = 11,085,029,829.13
  5. Step 5: Solve for x
    x = 11,085,029,829.13/120,417.83
  6. Step 6: Final answer
    x = 92,054.72

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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.