Home / 97,080.21-145,755.18-64,012.77

Finding the Fourth Proportional to 97,080.21, 145,755.18 and 64,012.77

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Solution

The fourth proportional to 97,080.21, 145,755.18 and 64,012.77 is: 96,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,080.21 : 145,755.18 = 64,012.77 : x
  2. Step 2: Convert to fraction form
    97,080.21/145,755.18 = 64,012.77/x
  3. Step 3: Cross multiply
    97,080.21x = 145,755.18 × 64,012.77
  4. Step 4: Simplify right side
    97,080.21x = 9,330,192,813.65
  5. Step 5: Solve for x
    x = 9,330,192,813.65/97,080.21
  6. Step 6: Final answer
    x = 96,108.08

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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.