Home / 120,303.90-166,036.86-69,306.70

Finding the Fourth Proportional to 120,303.90, 166,036.86 and 69,306.70

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Solution

The fourth proportional to 120,303.90, 166,036.86 and 69,306.70 is: 95,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,303.90 : 166,036.86 = 69,306.70 : x
  2. Step 2: Convert to fraction form
    120,303.90/166,036.86 = 69,306.70/x
  3. Step 3: Cross multiply
    120,303.90x = 166,036.86 × 69,306.70
  4. Step 4: Simplify right side
    120,303.90x = 11,507,466,844.96
  5. Step 5: Solve for x
    x = 11,507,466,844.96/120,303.90
  6. Step 6: Final answer
    x = 95,653.32

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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.