Home / 130,002.75-195,004.13-31,506.75

Finding the Fourth Proportional to 130,002.75, 195,004.13 and 31,506.75

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Solution

The fourth proportional to 130,002.75, 195,004.13 and 31,506.75 is: 47,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,002.75 : 195,004.13 = 31,506.75 : x
  2. Step 2: Convert to fraction form
    130,002.75/195,004.13 = 31,506.75/x
  3. Step 3: Cross multiply
    130,002.75x = 195,004.13 × 31,506.75
  4. Step 4: Simplify right side
    130,002.75x = 6,143,946,215.34
  5. Step 5: Solve for x
    x = 6,143,946,215.34/130,002.75
  6. Step 6: Final answer
    x = 47,260.13

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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.