Home / 104,677.84-144,451.26-56,931.16

Finding the Fourth Proportional to 104,677.84, 144,451.26 and 56,931.16

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Solution

The fourth proportional to 104,677.84, 144,451.26 and 56,931.16 is: 78,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,677.84 : 144,451.26 = 56,931.16 : x
  2. Step 2: Convert to fraction form
    104,677.84/144,451.26 = 56,931.16/x
  3. Step 3: Cross multiply
    104,677.84x = 144,451.26 × 56,931.16
  4. Step 4: Simplify right side
    104,677.84x = 8,223,777,795.26
  5. Step 5: Solve for x
    x = 8,223,777,795.26/104,677.84
  6. Step 6: Final answer
    x = 78,562.74

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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.