Home / 130,700.15-196,031.69-41,942.18

Finding the Fourth Proportional to 130,700.15, 196,031.69 and 41,942.18

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Solution

The fourth proportional to 130,700.15, 196,031.69 and 41,942.18 is: 62,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,700.15 : 196,031.69 = 41,942.18 : x
  2. Step 2: Convert to fraction form
    130,700.15/196,031.69 = 41,942.18/x
  3. Step 3: Cross multiply
    130,700.15x = 196,031.69 × 41,942.18
  4. Step 4: Simplify right side
    130,700.15x = 8,221,995,237.81
  5. Step 5: Solve for x
    x = 8,221,995,237.81/130,700.15
  6. Step 6: Final answer
    x = 62,907.32

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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.