Home / 191,470.08-287,464.96-132,160

Finding the Fourth Proportional to 191,470.08, 287,464.96 and 132,160

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Solution

The fourth proportional to 191,470.08, 287,464.96 and 132,160 is: 198,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,470.08 : 287,464.96 = 132,160 : x
  2. Step 2: Convert to fraction form
    191,470.08/287,464.96 = 132,160/x
  3. Step 3: Cross multiply
    191,470.08x = 287,464.96 × 132,160
  4. Step 4: Simplify right side
    191,470.08x = 37,991,369,113.60
  5. Step 5: Solve for x
    x = 37,991,369,113.60/191,470.08
  6. Step 6: Final answer
    x = 198,419.35

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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.