Home / 141,821.60-212,732.40-62,943.80

Finding the Fourth Proportional to 141,821.60, 212,732.40 and 62,943.80

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Solution

The fourth proportional to 141,821.60, 212,732.40 and 62,943.80 is: 94,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.60 : 212,732.40 = 62,943.80 : x
  2. Step 2: Convert to fraction form
    141,821.60/212,732.40 = 62,943.80/x
  3. Step 3: Cross multiply
    141,821.60x = 212,732.40 × 62,943.80
  4. Step 4: Simplify right side
    141,821.60x = 13,390,185,639.12
  5. Step 5: Solve for x
    x = 13,390,185,639.12/141,821.60
  6. Step 6: Final answer
    x = 94,415.70

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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.