Home / 141,587.64-212,410.62-118,376.28

Finding the Fourth Proportional to 141,587.64, 212,410.62 and 118,376.28

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Solution

The fourth proportional to 141,587.64, 212,410.62 and 118,376.28 is: 177,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,587.64 : 212,410.62 = 118,376.28 : x
  2. Step 2: Convert to fraction form
    141,587.64/212,410.62 = 118,376.28/x
  3. Step 3: Cross multiply
    141,587.64x = 212,410.62 × 118,376.28
  4. Step 4: Simplify right side
    141,587.64x = 25,144,379,028.09
  5. Step 5: Solve for x
    x = 25,144,379,028.09/141,587.64
  6. Step 6: Final answer
    x = 177,588.80

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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.