Home / 97,259.60-145,889.40-75,105.29

Finding the Fourth Proportional to 97,259.60, 145,889.40 and 75,105.29

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Solution

The fourth proportional to 97,259.60, 145,889.40 and 75,105.29 is: 112,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,259.60 : 145,889.40 = 75,105.29 : x
  2. Step 2: Convert to fraction form
    97,259.60/145,889.40 = 75,105.29/x
  3. Step 3: Cross multiply
    97,259.60x = 145,889.40 × 75,105.29
  4. Step 4: Simplify right side
    97,259.60x = 10,957,066,341.29
  5. Step 5: Solve for x
    x = 10,957,066,341.29/97,259.60
  6. Step 6: Final answer
    x = 112,657.94

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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.