Home / 510,764.13-766,190.27-131,681.65

Finding the Fourth Proportional to 510,764.13, 766,190.27 and 131,681.65

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Solution

The fourth proportional to 510,764.13, 766,190.27 and 131,681.65 is: 197,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,764.13 : 766,190.27 = 131,681.65 : x
  2. Step 2: Convert to fraction form
    510,764.13/766,190.27 = 131,681.65/x
  3. Step 3: Cross multiply
    510,764.13x = 766,190.27 × 131,681.65
  4. Step 4: Simplify right side
    510,764.13x = 100,893,198,967.55
  5. Step 5: Solve for x
    x = 100,893,198,967.55/510,764.13
  6. Step 6: Final answer
    x = 197,533.84

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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.