Home / 104,549.90-144,279-56,803.23

Finding the Fourth Proportional to 104,549.90, 144,279 and 56,803.23

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Solution

The fourth proportional to 104,549.90, 144,279 and 56,803.23 is: 78,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,549.90 : 144,279 = 56,803.23 : x
  2. Step 2: Convert to fraction form
    104,549.90/144,279 = 56,803.23/x
  3. Step 3: Cross multiply
    104,549.90x = 144,279 × 56,803.23
  4. Step 4: Simplify right side
    104,549.90x = 8,195,513,221.17
  5. Step 5: Solve for x
    x = 8,195,513,221.17/104,549.90
  6. Step 6: Final answer
    x = 78,388.54

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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.