Home / 97,097.00-145,397.57-77,404.28

Finding the Fourth Proportional to 97,097.00, 145,397.57 and 77,404.28

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Solution

The fourth proportional to 97,097.00, 145,397.57 and 77,404.28 is: 115,908.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,097.00 : 145,397.57 = 77,404.28 : x
  2. Step 2: Convert to fraction form
    97,097.00/145,397.57 = 77,404.28/x
  3. Step 3: Cross multiply
    97,097.00x = 145,397.57 × 77,404.28
  4. Step 4: Simplify right side
    97,097.00x = 11,254,393,105.59
  5. Step 5: Solve for x
    x = 11,254,393,105.59/97,097.00
  6. Step 6: Final answer
    x = 115,908.77

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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.