Home / 115,400.62-173,120.37-53,069.50

Finding the Fourth Proportional to 115,400.62, 173,120.37 and 53,069.50

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Solution

The fourth proportional to 115,400.62, 173,120.37 and 53,069.50 is: 79,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,400.62 : 173,120.37 = 53,069.50 : x
  2. Step 2: Convert to fraction form
    115,400.62/173,120.37 = 53,069.50/x
  3. Step 3: Cross multiply
    115,400.62x = 173,120.37 × 53,069.50
  4. Step 4: Simplify right side
    115,400.62x = 9,187,411,475.72
  5. Step 5: Solve for x
    x = 9,187,411,475.72/115,400.62
  6. Step 6: Final answer
    x = 79,613.19

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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.