Home / 141,811.40-212,717.10-130,001.60

Finding the Fourth Proportional to 141,811.40, 212,717.10 and 130,001.60

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Solution

The fourth proportional to 141,811.40, 212,717.10 and 130,001.60 is: 195,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.40 : 212,717.10 = 130,001.60 : x
  2. Step 2: Convert to fraction form
    141,811.40/212,717.10 = 130,001.60/x
  3. Step 3: Cross multiply
    141,811.40x = 212,717.10 × 130,001.60
  4. Step 4: Simplify right side
    141,811.40x = 27,653,563,347.36
  5. Step 5: Solve for x
    x = 27,653,563,347.36/141,811.40
  6. Step 6: Final answer
    x = 195,002.40

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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.