Home / 103,974.57-143,484.48-56,227.91

Finding the Fourth Proportional to 103,974.57, 143,484.48 and 56,227.91

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Solution

The fourth proportional to 103,974.57, 143,484.48 and 56,227.91 is: 77,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.57 : 143,484.48 = 56,227.91 : x
  2. Step 2: Convert to fraction form
    103,974.57/143,484.48 = 56,227.91/x
  3. Step 3: Cross multiply
    103,974.57x = 143,484.48 × 56,227.91
  4. Step 4: Simplify right side
    103,974.57x = 8,067,831,710.41
  5. Step 5: Solve for x
    x = 8,067,831,710.41/103,974.57
  6. Step 6: Final answer
    x = 77,594.28

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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.