Home / 141,708.02-212,558.48-57,445.64

Finding the Fourth Proportional to 141,708.02, 212,558.48 and 57,445.64

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Solution

The fourth proportional to 141,708.02, 212,558.48 and 57,445.64 is: 86,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.02 : 212,558.48 = 57,445.64 : x
  2. Step 2: Convert to fraction form
    141,708.02/212,558.48 = 57,445.64/x
  3. Step 3: Cross multiply
    141,708.02x = 212,558.48 × 57,445.64
  4. Step 4: Simplify right side
    141,708.02x = 12,210,557,583.52
  5. Step 5: Solve for x
    x = 12,210,557,583.52/141,708.02
  6. Step 6: Final answer
    x = 86,167.02

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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.