Home / 104,026.60-143,556.72-56,279.92

Finding the Fourth Proportional to 104,026.60, 143,556.72 and 56,279.92

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Solution

The fourth proportional to 104,026.60, 143,556.72 and 56,279.92 is: 77,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,026.60 : 143,556.72 = 56,279.92 : x
  2. Step 2: Convert to fraction form
    104,026.60/143,556.72 = 56,279.92/x
  3. Step 3: Cross multiply
    104,026.60x = 143,556.72 × 56,279.92
  4. Step 4: Simplify right side
    104,026.60x = 8,079,360,717.06
  5. Step 5: Solve for x
    x = 8,079,360,717.06/104,026.60
  6. Step 6: Final answer
    x = 77,666.30

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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.