Home / 120,502.02-166,292.80-66,795.12

Finding the Fourth Proportional to 120,502.02, 166,292.80 and 66,795.12

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Solution

The fourth proportional to 120,502.02, 166,292.80 and 66,795.12 is: 92,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,502.02 : 166,292.80 = 66,795.12 : x
  2. Step 2: Convert to fraction form
    120,502.02/166,292.80 = 66,795.12/x
  3. Step 3: Cross multiply
    120,502.02x = 166,292.80 × 66,795.12
  4. Step 4: Simplify right side
    120,502.02x = 11,107,547,531.14
  5. Step 5: Solve for x
    x = 11,107,547,531.14/120,502.02
  6. Step 6: Final answer
    x = 92,177.27

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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.