Home / 103,995.06-143,513.22-56,248.39

Finding the Fourth Proportional to 103,995.06, 143,513.22 and 56,248.39

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Solution

The fourth proportional to 103,995.06, 143,513.22 and 56,248.39 is: 77,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995.06 : 143,513.22 = 56,248.39 : x
  2. Step 2: Convert to fraction form
    103,995.06/143,513.22 = 56,248.39/x
  3. Step 3: Cross multiply
    103,995.06x = 143,513.22 × 56,248.39
  4. Step 4: Simplify right side
    103,995.06x = 8,072,387,568.72
  5. Step 5: Solve for x
    x = 8,072,387,568.72/103,995.06
  6. Step 6: Final answer
    x = 77,622.80

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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.