Home / 191,777.20-287,557.80-73,452.40

Finding the Fourth Proportional to 191,777.20, 287,557.80 and 73,452.40

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Solution

The fourth proportional to 191,777.20, 287,557.80 and 73,452.40 is: 110,137.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,777.20 : 287,557.80 = 73,452.40 : x
  2. Step 2: Convert to fraction form
    191,777.20/287,557.80 = 73,452.40/x
  3. Step 3: Cross multiply
    191,777.20x = 287,557.80 × 73,452.40
  4. Step 4: Simplify right side
    191,777.20x = 21,121,810,548.72
  5. Step 5: Solve for x
    x = 21,121,810,548.72/191,777.20
  6. Step 6: Final answer
    x = 110,137.24

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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.