Home / 130,003.75-195,005.63-31,507.75

Finding the Fourth Proportional to 130,003.75, 195,005.63 and 31,507.75

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Solution

The fourth proportional to 130,003.75, 195,005.63 and 31,507.75 is: 47,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003.75 : 195,005.63 = 31,507.75 : x
  2. Step 2: Convert to fraction form
    130,003.75/195,005.63 = 31,507.75/x
  3. Step 3: Cross multiply
    130,003.75x = 195,005.63 × 31,507.75
  4. Step 4: Simplify right side
    130,003.75x = 6,144,188,638.63
  5. Step 5: Solve for x
    x = 6,144,188,638.63/130,003.75
  6. Step 6: Final answer
    x = 47,261.63

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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.