Home / 104,179.90-143,768.95-56,433.25

Finding the Fourth Proportional to 104,179.90, 143,768.95 and 56,433.25

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Solution

The fourth proportional to 104,179.90, 143,768.95 and 56,433.25 is: 77,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,179.90 : 143,768.95 = 56,433.25 : x
  2. Step 2: Convert to fraction form
    104,179.90/143,768.95 = 56,433.25/x
  3. Step 3: Cross multiply
    104,179.90x = 143,768.95 × 56,433.25
  4. Step 4: Simplify right side
    104,179.90x = 8,113,348,378.74
  5. Step 5: Solve for x
    x = 8,113,348,378.74/104,179.90
  6. Step 6: Final answer
    x = 77,878.25

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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.