Home / 120,444.23-166,208.28-66,730.07

Finding the Fourth Proportional to 120,444.23, 166,208.28 and 66,730.07

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Solution

The fourth proportional to 120,444.23, 166,208.28 and 66,730.07 is: 92,084.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,444.23 : 166,208.28 = 66,730.07 : x
  2. Step 2: Convert to fraction form
    120,444.23/166,208.28 = 66,730.07/x
  3. Step 3: Cross multiply
    120,444.23x = 166,208.28 × 66,730.07
  4. Step 4: Simplify right side
    120,444.23x = 11,091,090,158.98
  5. Step 5: Solve for x
    x = 11,091,090,158.98/120,444.23
  6. Step 6: Final answer
    x = 92,084.86

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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.