Home / 102,309.68-141,256.96-64,085.02

Finding the Fourth Proportional to 102,309.68, 141,256.96 and 64,085.02

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Solution

The fourth proportional to 102,309.68, 141,256.96 and 64,085.02 is: 88,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,309.68 : 141,256.96 = 64,085.02 : x
  2. Step 2: Convert to fraction form
    102,309.68/141,256.96 = 64,085.02/x
  3. Step 3: Cross multiply
    102,309.68x = 141,256.96 × 64,085.02
  4. Step 4: Simplify right side
    102,309.68x = 9,052,455,748.43
  5. Step 5: Solve for x
    x = 9,052,455,748.43/102,309.68
  6. Step 6: Final answer
    x = 88,480.93

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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.