Home / 136,635.55-203,595.04-121,729.93

Finding the Fourth Proportional to 136,635.55, 203,595.04 and 121,729.93

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Solution

The fourth proportional to 136,635.55, 203,595.04 and 121,729.93 is: 181,384.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,635.55 : 203,595.04 = 121,729.93 : x
  2. Step 2: Convert to fraction form
    136,635.55/203,595.04 = 121,729.93/x
  3. Step 3: Cross multiply
    136,635.55x = 203,595.04 × 121,729.93
  4. Step 4: Simplify right side
    136,635.55x = 24,783,609,967.55
  5. Step 5: Solve for x
    x = 24,783,609,967.55/136,635.55
  6. Step 6: Final answer
    x = 181,384.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.