Home / 104,439.48-144,127.98-56,692.92

Finding the Fourth Proportional to 104,439.48, 144,127.98 and 56,692.92

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Solution

The fourth proportional to 104,439.48, 144,127.98 and 56,692.92 is: 78,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.48 : 144,127.98 = 56,692.92 : x
  2. Step 2: Convert to fraction form
    104,439.48/144,127.98 = 56,692.92/x
  3. Step 3: Cross multiply
    104,439.48x = 144,127.98 × 56,692.92
  4. Step 4: Simplify right side
    104,439.48x = 8,171,036,039.90
  5. Step 5: Solve for x
    x = 8,171,036,039.90/104,439.48
  6. Step 6: Final answer
    x = 78,237.04

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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.