Home / 130,114.24-195,171.36-31,618.24

Finding the Fourth Proportional to 130,114.24, 195,171.36 and 31,618.24

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Solution

The fourth proportional to 130,114.24, 195,171.36 and 31,618.24 is: 47,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,114.24 : 195,171.36 = 31,618.24 : x
  2. Step 2: Convert to fraction form
    130,114.24/195,171.36 = 31,618.24/x
  3. Step 3: Cross multiply
    130,114.24x = 195,171.36 × 31,618.24
  4. Step 4: Simplify right side
    130,114.24x = 6,170,974,901.61
  5. Step 5: Solve for x
    x = 6,170,974,901.61/130,114.24
  6. Step 6: Final answer
    x = 47,427.36

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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.