Home / 211,124.20-291,340.48-115,612.40

Finding the Fourth Proportional to 211,124.20, 291,340.48 and 115,612.40

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Solution

The fourth proportional to 211,124.20, 291,340.48 and 115,612.40 is: 159,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,124.20 : 291,340.48 = 115,612.40 : x
  2. Step 2: Convert to fraction form
    211,124.20/291,340.48 = 115,612.40/x
  3. Step 3: Cross multiply
    211,124.20x = 291,340.48 × 115,612.40
  4. Step 4: Simplify right side
    211,124.20x = 33,682,572,109.95
  5. Step 5: Solve for x
    x = 33,682,572,109.95/211,124.20
  6. Step 6: Final answer
    x = 159,539.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.