Home / 130,459.05-195,677.64-41,688.72

Finding the Fourth Proportional to 130,459.05, 195,677.64 and 41,688.72

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Solution

The fourth proportional to 130,459.05, 195,677.64 and 41,688.72 is: 62,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,459.05 : 195,677.64 = 41,688.72 : x
  2. Step 2: Convert to fraction form
    130,459.05/195,677.64 = 41,688.72/x
  3. Step 3: Cross multiply
    130,459.05x = 195,677.64 × 41,688.72
  4. Step 4: Simplify right side
    130,459.05x = 8,157,550,344.22
  5. Step 5: Solve for x
    x = 8,157,550,344.22/130,459.05
  6. Step 6: Final answer
    x = 62,529.59

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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.