Home / 103,832.65-143,289.14-56,086.03

Finding the Fourth Proportional to 103,832.65, 143,289.14 and 56,086.03

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Solution

The fourth proportional to 103,832.65, 143,289.14 and 56,086.03 is: 77,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,832.65 : 143,289.14 = 56,086.03 : x
  2. Step 2: Convert to fraction form
    103,832.65/143,289.14 = 56,086.03/x
  3. Step 3: Cross multiply
    103,832.65x = 143,289.14 × 56,086.03
  4. Step 4: Simplify right side
    103,832.65x = 8,036,519,362.94
  5. Step 5: Solve for x
    x = 8,036,519,362.94/103,832.65
  6. Step 6: Final answer
    x = 77,398.77

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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.