Home / 147,701.67-203,758.50-87,231.93

Finding the Fourth Proportional to 147,701.67, 203,758.50 and 87,231.93

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Solution

The fourth proportional to 147,701.67, 203,758.50 and 87,231.93 is: 120,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.67 : 203,758.50 = 87,231.93 : x
  2. Step 2: Convert to fraction form
    147,701.67/203,758.50 = 87,231.93/x
  3. Step 3: Cross multiply
    147,701.67x = 203,758.50 × 87,231.93
  4. Step 4: Simplify right side
    147,701.67x = 17,774,247,208.91
  5. Step 5: Solve for x
    x = 17,774,247,208.91/147,701.67
  6. Step 6: Final answer
    x = 120,338.84

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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.