Home / 141,513.24-212,146.02-57,221.40

Finding the Fourth Proportional to 141,513.24, 212,146.02 and 57,221.40

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Solution

The fourth proportional to 141,513.24, 212,146.02 and 57,221.40 is: 85,782.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,513.24 : 212,146.02 = 57,221.40 : x
  2. Step 2: Convert to fraction form
    141,513.24/212,146.02 = 57,221.40/x
  3. Step 3: Cross multiply
    141,513.24x = 212,146.02 × 57,221.40
  4. Step 4: Simplify right side
    141,513.24x = 12,139,292,268.83
  5. Step 5: Solve for x
    x = 12,139,292,268.83/141,513.24
  6. Step 6: Final answer
    x = 85,782.02

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1.5x scale

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.