Home / 104,529.98-144,251.62-56,782.28

Finding the Fourth Proportional to 104,529.98, 144,251.62 and 56,782.28

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Solution

The fourth proportional to 104,529.98, 144,251.62 and 56,782.28 is: 78,359.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,529.98 : 144,251.62 = 56,782.28 : x
  2. Step 2: Convert to fraction form
    104,529.98/144,251.62 = 56,782.28/x
  3. Step 3: Cross multiply
    104,529.98x = 144,251.62 × 56,782.28
  4. Step 4: Simplify right side
    104,529.98x = 8,190,935,877.29
  5. Step 5: Solve for x
    x = 8,190,935,877.29/104,529.98
  6. Step 6: Final answer
    x = 78,359.68

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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.