Home / 168,130.08-252,255.36-72,026.98

Finding the Fourth Proportional to 168,130.08, 252,255.36 and 72,026.98

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Solution

The fourth proportional to 168,130.08, 252,255.36 and 72,026.98 is: 108,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,130.08 : 252,255.36 = 72,026.98 : x
  2. Step 2: Convert to fraction form
    168,130.08/252,255.36 = 72,026.98/x
  3. Step 3: Cross multiply
    168,130.08x = 252,255.36 × 72,026.98
  4. Step 4: Simplify right side
    168,130.08x = 18,169,191,769.61
  5. Step 5: Solve for x
    x = 18,169,191,769.61/168,130.08
  6. Step 6: Final answer
    x = 108,066.28

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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.