Home / 97,215.69-145,835.70-38,043.72

Finding the Fourth Proportional to 97,215.69, 145,835.70 and 38,043.72

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Solution

The fourth proportional to 97,215.69, 145,835.70 and 38,043.72 is: 57,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,215.69 : 145,835.70 = 38,043.72 : x
  2. Step 2: Convert to fraction form
    97,215.69/145,835.70 = 38,043.72/x
  3. Step 3: Cross multiply
    97,215.69x = 145,835.70 × 38,043.72
  4. Step 4: Simplify right side
    97,215.69x = 5,548,132,536.80
  5. Step 5: Solve for x
    x = 5,548,132,536.80/97,215.69
  6. Step 6: Final answer
    x = 57,070.34

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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.