Home / 211,259.64-291,565.98-136,026.84

Finding the Fourth Proportional to 211,259.64, 291,565.98 and 136,026.84

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Solution

The fourth proportional to 211,259.64, 291,565.98 and 136,026.84 is: 187,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,259.64 : 291,565.98 = 136,026.84 : x
  2. Step 2: Convert to fraction form
    211,259.64/291,565.98 = 136,026.84/x
  3. Step 3: Cross multiply
    211,259.64x = 291,565.98 × 136,026.84
  4. Step 4: Simplify right side
    211,259.64x = 39,660,798,910.90
  5. Step 5: Solve for x
    x = 39,660,798,910.90/211,259.64
  6. Step 6: Final answer
    x = 187,734.86

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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.