Home / 211,348.48-291,690.78-130,801.96

Finding the Fourth Proportional to 211,348.48, 291,690.78 and 130,801.96

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Solution

The fourth proportional to 211,348.48, 291,690.78 and 130,801.96 is: 180,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,348.48 : 291,690.78 = 130,801.96 : x
  2. Step 2: Convert to fraction form
    211,348.48/291,690.78 = 130,801.96/x
  3. Step 3: Cross multiply
    211,348.48x = 291,690.78 × 130,801.96
  4. Step 4: Simplify right side
    211,348.48x = 38,153,725,737.93
  5. Step 5: Solve for x
    x = 38,153,725,737.93/211,348.48
  6. Step 6: Final answer
    x = 180,525.20

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Why These Related Problems?

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