Home / 104,276.40-143,902.17-56,530.50

Finding the Fourth Proportional to 104,276.40, 143,902.17 and 56,530.50

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Solution

The fourth proportional to 104,276.40, 143,902.17 and 56,530.50 is: 78,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,276.40 : 143,902.17 = 56,530.50 : x
  2. Step 2: Convert to fraction form
    104,276.40/143,902.17 = 56,530.50/x
  3. Step 3: Cross multiply
    104,276.40x = 143,902.17 × 56,530.50
  4. Step 4: Simplify right side
    104,276.40x = 8,134,861,621.19
  5. Step 5: Solve for x
    x = 8,134,861,621.19/104,276.40
  6. Step 6: Final answer
    x = 78,012.49

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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.