Home / 145,141.44-200,317.20-88,585.68

Finding the Fourth Proportional to 145,141.44, 200,317.20 and 88,585.68

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Solution

The fourth proportional to 145,141.44, 200,317.20 and 88,585.68 is: 122,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,141.44 : 200,317.20 = 88,585.68 : x
  2. Step 2: Convert to fraction form
    145,141.44/200,317.20 = 88,585.68/x
  3. Step 3: Cross multiply
    145,141.44x = 200,317.20 × 88,585.68
  4. Step 4: Simplify right side
    145,141.44x = 17,745,235,377.70
  5. Step 5: Solve for x
    x = 17,745,235,377.70/145,141.44
  6. Step 6: Final answer
    x = 122,261.67

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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.