Home / 102,684.02-141,701.18-56,115.05

Finding the Fourth Proportional to 102,684.02, 141,701.18 and 56,115.05

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Solution

The fourth proportional to 102,684.02, 141,701.18 and 56,115.05 is: 77,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,684.02 : 141,701.18 = 56,115.05 : x
  2. Step 2: Convert to fraction form
    102,684.02/141,701.18 = 56,115.05/x
  3. Step 3: Cross multiply
    102,684.02x = 141,701.18 × 56,115.05
  4. Step 4: Simplify right side
    102,684.02x = 7,951,568,127.33
  5. Step 5: Solve for x
    x = 7,951,568,127.33/102,684.02
  6. Step 6: Final answer
    x = 77,437.25

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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.