Home / 104,001.36-143,521.98-56,254.78

Finding the Fourth Proportional to 104,001.36, 143,521.98 and 56,254.78

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Solution

The fourth proportional to 104,001.36, 143,521.98 and 56,254.78 is: 77,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.36 : 143,521.98 = 56,254.78 : x
  2. Step 2: Convert to fraction form
    104,001.36/143,521.98 = 56,254.78/x
  3. Step 3: Cross multiply
    104,001.36x = 143,521.98 × 56,254.78
  4. Step 4: Simplify right side
    104,001.36x = 8,073,797,410.06
  5. Step 5: Solve for x
    x = 8,073,797,410.06/104,001.36
  6. Step 6: Final answer
    x = 77,631.65

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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.