Home / 130,851.90-196,279.05-36,083.72

Finding the Fourth Proportional to 130,851.90, 196,279.05 and 36,083.72

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Solution

The fourth proportional to 130,851.90, 196,279.05 and 36,083.72 is: 54,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,851.90 : 196,279.05 = 36,083.72 : x
  2. Step 2: Convert to fraction form
    130,851.90/196,279.05 = 36,083.72/x
  3. Step 3: Cross multiply
    130,851.90x = 196,279.05 × 36,083.72
  4. Step 4: Simplify right side
    130,851.90x = 7,082,477,300.67
  5. Step 5: Solve for x
    x = 7,082,477,300.67/130,851.90
  6. Step 6: Final answer
    x = 54,125.90

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1.5x scale

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.