Home / 103,803.66-143,249.04-56,057.01

Finding the Fourth Proportional to 103,803.66, 143,249.04 and 56,057.01

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Solution

The fourth proportional to 103,803.66, 143,249.04 and 56,057.01 is: 77,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,803.66 : 143,249.04 = 56,057.01 : x
  2. Step 2: Convert to fraction form
    103,803.66/143,249.04 = 56,057.01/x
  3. Step 3: Cross multiply
    103,803.66x = 143,249.04 × 56,057.01
  4. Step 4: Simplify right side
    103,803.66x = 8,030,112,867.77
  5. Step 5: Solve for x
    x = 8,030,112,867.77/103,803.66
  6. Step 6: Final answer
    x = 77,358.67

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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.