Home / 85,799.04-128,523.36-44,158.56

Finding the Fourth Proportional to 85,799.04, 128,523.36 and 44,158.56

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Solution

The fourth proportional to 85,799.04, 128,523.36 and 44,158.56 is: 66,147.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,799.04 : 128,523.36 = 44,158.56 : x
  2. Step 2: Convert to fraction form
    85,799.04/128,523.36 = 44,158.56/x
  3. Step 3: Cross multiply
    85,799.04x = 128,523.36 × 44,158.56
  4. Step 4: Simplify right side
    85,799.04x = 5,675,406,503.96
  5. Step 5: Solve for x
    x = 5,675,406,503.96/85,799.04
  6. Step 6: Final answer
    x = 66,147.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.