Home / 141,358.40-212,037.60-118,203.20

Finding the Fourth Proportional to 141,358.40, 212,037.60 and 118,203.20

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Solution

The fourth proportional to 141,358.40, 212,037.60 and 118,203.20 is: 177,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.40 : 212,037.60 = 118,203.20 : x
  2. Step 2: Convert to fraction form
    141,358.40/212,037.60 = 118,203.20/x
  3. Step 3: Cross multiply
    141,358.40x = 212,037.60 × 118,203.20
  4. Step 4: Simplify right side
    141,358.40x = 25,063,522,840.32
  5. Step 5: Solve for x
    x = 25,063,522,840.32/141,358.40
  6. Step 6: Final answer
    x = 177,304.80

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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.