Home / 211,146.84-291,272.22-130,548.60

Finding the Fourth Proportional to 211,146.84, 291,272.22 and 130,548.60

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Solution

The fourth proportional to 211,146.84, 291,272.22 and 130,548.60 is: 180,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,146.84 : 291,272.22 = 130,548.60 : x
  2. Step 2: Convert to fraction form
    211,146.84/291,272.22 = 130,548.60/x
  3. Step 3: Cross multiply
    211,146.84x = 291,272.22 × 130,548.60
  4. Step 4: Simplify right side
    211,146.84x = 38,025,180,539.89
  5. Step 5: Solve for x
    x = 38,025,180,539.89/211,146.84
  6. Step 6: Final answer
    x = 180,088.80

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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.