Home / 112,715.20-168,804.46-65,230.26

Finding the Fourth Proportional to 112,715.20, 168,804.46 and 65,230.26

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Solution

The fourth proportional to 112,715.20, 168,804.46 and 65,230.26 is: 97,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,715.20 : 168,804.46 = 65,230.26 : x
  2. Step 2: Convert to fraction form
    112,715.20/168,804.46 = 65,230.26/x
  3. Step 3: Cross multiply
    112,715.20x = 168,804.46 × 65,230.26
  4. Step 4: Simplify right side
    112,715.20x = 11,011,158,814.96
  5. Step 5: Solve for x
    x = 11,011,158,814.96/112,715.20
  6. Step 6: Final answer
    x = 97,690.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.