Home / 104,529.61-144,252.41-56,783.89

Finding the Fourth Proportional to 104,529.61, 144,252.41 and 56,783.89

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Solution

The fourth proportional to 104,529.61, 144,252.41 and 56,783.89 is: 78,362.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,529.61 : 144,252.41 = 56,783.89 : x
  2. Step 2: Convert to fraction form
    104,529.61/144,252.41 = 56,783.89/x
  3. Step 3: Cross multiply
    104,529.61x = 144,252.41 × 56,783.89
  4. Step 4: Simplify right side
    104,529.61x = 8,191,212,697.76
  5. Step 5: Solve for x
    x = 8,191,212,697.76/104,529.61
  6. Step 6: Final answer
    x = 78,362.61

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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.