Home / 168,623.64-252,962.91-78,756.22

Finding the Fourth Proportional to 168,623.64, 252,962.91 and 78,756.22

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Solution

The fourth proportional to 168,623.64, 252,962.91 and 78,756.22 is: 118,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,623.64 : 252,962.91 = 78,756.22 : x
  2. Step 2: Convert to fraction form
    168,623.64/252,962.91 = 78,756.22/x
  3. Step 3: Cross multiply
    168,623.64x = 252,962.91 × 78,756.22
  4. Step 4: Simplify right side
    168,623.64x = 19,922,402,591.80
  5. Step 5: Solve for x
    x = 19,922,402,591.80/168,623.64
  6. Step 6: Final answer
    x = 118,147.15

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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.