Home / 102,361.52-141,256.77-57,039.32

Finding the Fourth Proportional to 102,361.52, 141,256.77 and 57,039.32

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Solution

The fourth proportional to 102,361.52, 141,256.77 and 57,039.32 is: 78,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,361.52 : 141,256.77 = 57,039.32 : x
  2. Step 2: Convert to fraction form
    102,361.52/141,256.77 = 57,039.32/x
  3. Step 3: Cross multiply
    102,361.52x = 141,256.77 × 57,039.32
  4. Step 4: Simplify right side
    102,361.52x = 8,057,190,106.20
  5. Step 5: Solve for x
    x = 8,057,190,106.20/102,361.52
  6. Step 6: Final answer
    x = 78,713.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.