Home / 191,412.64-287,097.07-51,182.20

Finding the Fourth Proportional to 191,412.64, 287,097.07 and 51,182.20

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Solution

The fourth proportional to 191,412.64, 287,097.07 and 51,182.20 is: 76,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,412.64 : 287,097.07 = 51,182.20 : x
  2. Step 2: Convert to fraction form
    191,412.64/287,097.07 = 51,182.20/x
  3. Step 3: Cross multiply
    191,412.64x = 287,097.07 × 51,182.20
  4. Step 4: Simplify right side
    191,412.64x = 14,694,259,656.15
  5. Step 5: Solve for x
    x = 14,694,259,656.15/191,412.64
  6. Step 6: Final answer
    x = 76,767.45

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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.