Home / 104,104.09-143,663.62-56,357.40

Finding the Fourth Proportional to 104,104.09, 143,663.62 and 56,357.40

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Solution

The fourth proportional to 104,104.09, 143,663.62 and 56,357.40 is: 77,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.09 : 143,663.62 = 56,357.40 : x
  2. Step 2: Convert to fraction form
    104,104.09/143,663.62 = 56,357.40/x
  3. Step 3: Cross multiply
    104,104.09x = 143,663.62 × 56,357.40
  4. Step 4: Simplify right side
    104,104.09x = 8,096,508,097.79
  5. Step 5: Solve for x
    x = 8,096,508,097.79/104,104.09
  6. Step 6: Final answer
    x = 77,773.20

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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.