Home / 104,378.30-144,042.63-56,631.74

Finding the Fourth Proportional to 104,378.30, 144,042.63 and 56,631.74

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Solution

The fourth proportional to 104,378.30, 144,042.63 and 56,631.74 is: 78,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,378.30 : 144,042.63 = 56,631.74 : x
  2. Step 2: Convert to fraction form
    104,378.30/144,042.63 = 56,631.74/x
  3. Step 3: Cross multiply
    104,378.30x = 144,042.63 × 56,631.74
  4. Step 4: Simplify right side
    104,378.30x = 8,157,384,771.08
  5. Step 5: Solve for x
    x = 8,157,384,771.08/104,378.30
  6. Step 6: Final answer
    x = 78,152.11

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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.