Home / 104,384.37-144,049.93-56,637.72

Finding the Fourth Proportional to 104,384.37, 144,049.93 and 56,637.72

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Solution

The fourth proportional to 104,384.37, 144,049.93 and 56,637.72 is: 78,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,384.37 : 144,049.93 = 56,637.72 : x
  2. Step 2: Convert to fraction form
    104,384.37/144,049.93 = 56,637.72/x
  3. Step 3: Cross multiply
    104,384.37x = 144,049.93 × 56,637.72
  4. Step 4: Simplify right side
    104,384.37x = 8,158,659,601.36
  5. Step 5: Solve for x
    x = 8,158,659,601.36/104,384.37
  6. Step 6: Final answer
    x = 78,159.78

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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.