Home / 191,259.68-286,422-165,132.32

Finding the Fourth Proportional to 191,259.68, 286,422 and 165,132.32

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Solution

The fourth proportional to 191,259.68, 286,422 and 165,132.32 is: 247,294.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,259.68 : 286,422 = 165,132.32 : x
  2. Step 2: Convert to fraction form
    191,259.68/286,422 = 165,132.32/x
  3. Step 3: Cross multiply
    191,259.68x = 286,422 × 165,132.32
  4. Step 4: Simplify right side
    191,259.68x = 47,297,529,359.04
  5. Step 5: Solve for x
    x = 47,297,529,359.04/191,259.68
  6. Step 6: Final answer
    x = 247,294.83

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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.