Home / 120,304.40-166,037.55-69,307.20

Finding the Fourth Proportional to 120,304.40, 166,037.55 and 69,307.20

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Solution

The fourth proportional to 120,304.40, 166,037.55 and 69,307.20 is: 95,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.40 : 166,037.55 = 69,307.20 : x
  2. Step 2: Convert to fraction form
    120,304.40/166,037.55 = 69,307.20/x
  3. Step 3: Cross multiply
    120,304.40x = 166,037.55 × 69,307.20
  4. Step 4: Simplify right side
    120,304.40x = 11,507,597,685.36
  5. Step 5: Solve for x
    x = 11,507,597,685.36/120,304.40
  6. Step 6: Final answer
    x = 95,654.01

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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.