Home / 150,430.10-207,580.32-82,445.99

Finding the Fourth Proportional to 150,430.10, 207,580.32 and 82,445.99

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Solution

The fourth proportional to 150,430.10, 207,580.32 and 82,445.99 is: 113,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,430.10 : 207,580.32 = 82,445.99 : x
  2. Step 2: Convert to fraction form
    150,430.10/207,580.32 = 82,445.99/x
  3. Step 3: Cross multiply
    150,430.10x = 207,580.32 × 82,445.99
  4. Step 4: Simplify right side
    150,430.10x = 17,114,163,949.02
  5. Step 5: Solve for x
    x = 17,114,163,949.02/150,430.10
  6. Step 6: Final answer
    x = 113,768.22

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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.