Home / 103,994.98-143,513.08-56,248.32

Finding the Fourth Proportional to 103,994.98, 143,513.08 and 56,248.32

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Solution

The fourth proportional to 103,994.98, 143,513.08 and 56,248.32 is: 77,622.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,994.98 : 143,513.08 = 56,248.32 : x
  2. Step 2: Convert to fraction form
    103,994.98/143,513.08 = 56,248.32/x
  3. Step 3: Cross multiply
    103,994.98x = 143,513.08 × 56,248.32
  4. Step 4: Simplify right side
    103,994.98x = 8,072,369,648.03
  5. Step 5: Solve for x
    x = 8,072,369,648.03/103,994.98
  6. Step 6: Final answer
    x = 77,622.69

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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.