Home / 102,888.53-141,991.69-57,563.81

Finding the Fourth Proportional to 102,888.53, 141,991.69 and 57,563.81

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Solution

The fourth proportional to 102,888.53, 141,991.69 and 57,563.81 is: 79,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,888.53 : 141,991.69 = 57,563.81 : x
  2. Step 2: Convert to fraction form
    102,888.53/141,991.69 = 57,563.81/x
  3. Step 3: Cross multiply
    102,888.53x = 141,991.69 × 57,563.81
  4. Step 4: Simplify right side
    102,888.53x = 8,173,582,875.81
  5. Step 5: Solve for x
    x = 8,173,582,875.81/102,888.53
  6. Step 6: Final answer
    x = 79,441.15

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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.