Home / 285,069.40-427,588.62-107,572.12

Finding the Fourth Proportional to 285,069.40, 427,588.62 and 107,572.12

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Solution

The fourth proportional to 285,069.40, 427,588.62 and 107,572.12 is: 161,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,069.40 : 427,588.62 = 107,572.12 : x
  2. Step 2: Convert to fraction form
    285,069.40/427,588.62 = 107,572.12/x
  3. Step 3: Cross multiply
    285,069.40x = 427,588.62 × 107,572.12
  4. Step 4: Simplify right side
    285,069.40x = 45,996,614,341.27
  5. Step 5: Solve for x
    x = 45,996,614,341.27/285,069.40
  6. Step 6: Final answer
    x = 161,352.34

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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.