Home / 103,688.01-143,089.74-58,366.69

Finding the Fourth Proportional to 103,688.01, 143,089.74 and 58,366.69

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Solution

The fourth proportional to 103,688.01, 143,089.74 and 58,366.69 is: 80,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688.01 : 143,089.74 = 58,366.69 : x
  2. Step 2: Convert to fraction form
    103,688.01/143,089.74 = 58,366.69/x
  3. Step 3: Cross multiply
    103,688.01x = 143,089.74 × 58,366.69
  4. Step 4: Simplify right side
    103,688.01x = 8,351,674,139.04
  5. Step 5: Solve for x
    x = 8,351,674,139.04/103,688.01
  6. Step 6: Final answer
    x = 80,546.19

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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.