Home / 103,994.86-143,512.76-56,248.06

Finding the Fourth Proportional to 103,994.86, 143,512.76 and 56,248.06

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Solution

The fourth proportional to 103,994.86, 143,512.76 and 56,248.06 is: 77,622.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,994.86 : 143,512.76 = 56,248.06 : x
  2. Step 2: Convert to fraction form
    103,994.86/143,512.76 = 56,248.06/x
  3. Step 3: Cross multiply
    103,994.86x = 143,512.76 × 56,248.06
  4. Step 4: Simplify right side
    103,994.86x = 8,072,314,335.25
  5. Step 5: Solve for x
    x = 8,072,314,335.25/103,994.86
  6. Step 6: Final answer
    x = 77,622.24

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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.