Home / 141,743.15-212,622.48-57,490.80

Finding the Fourth Proportional to 141,743.15, 212,622.48 and 57,490.80

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Solution

The fourth proportional to 141,743.15, 212,622.48 and 57,490.80 is: 86,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743.15 : 212,622.48 = 57,490.80 : x
  2. Step 2: Convert to fraction form
    141,743.15/212,622.48 = 57,490.80/x
  3. Step 3: Cross multiply
    141,743.15x = 212,622.48 × 57,490.80
  4. Step 4: Simplify right side
    141,743.15x = 12,223,836,473.18
  5. Step 5: Solve for x
    x = 12,223,836,473.18/141,743.15
  6. Step 6: Final answer
    x = 86,239.35

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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.