Home / 130,998.61-196,536.18-42,250.15

Finding the Fourth Proportional to 130,998.61, 196,536.18 and 42,250.15

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Solution

The fourth proportional to 130,998.61, 196,536.18 and 42,250.15 is: 63,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,998.61 : 196,536.18 = 42,250.15 : x
  2. Step 2: Convert to fraction form
    130,998.61/196,536.18 = 42,250.15/x
  3. Step 3: Cross multiply
    130,998.61x = 196,536.18 × 42,250.15
  4. Step 4: Simplify right side
    130,998.61x = 8,303,683,085.43
  5. Step 5: Solve for x
    x = 8,303,683,085.43/130,998.61
  6. Step 6: Final answer
    x = 63,387.57

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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.