Home / 105,063.68-144,985.00-57,317.02

Finding the Fourth Proportional to 105,063.68, 144,985.00 and 57,317.02

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Solution

The fourth proportional to 105,063.68, 144,985.00 and 57,317.02 is: 79,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,063.68 : 144,985.00 = 57,317.02 : x
  2. Step 2: Convert to fraction form
    105,063.68/144,985.00 = 57,317.02/x
  3. Step 3: Cross multiply
    105,063.68x = 144,985.00 × 57,317.02
  4. Step 4: Simplify right side
    105,063.68x = 8,310,107,133.19
  5. Step 5: Solve for x
    x = 8,310,107,133.19/105,063.68
  6. Step 6: Final answer
    x = 79,095.91

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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.