Home / 147,399.12-221,145.40-52,627.24

Finding the Fourth Proportional to 147,399.12, 221,145.40 and 52,627.24

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Solution

The fourth proportional to 147,399.12, 221,145.40 and 52,627.24 is: 78,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,399.12 : 221,145.40 = 52,627.24 : x
  2. Step 2: Convert to fraction form
    147,399.12/221,145.40 = 52,627.24/x
  3. Step 3: Cross multiply
    147,399.12x = 221,145.40 × 52,627.24
  4. Step 4: Simplify right side
    147,399.12x = 11,638,272,040.70
  5. Step 5: Solve for x
    x = 11,638,272,040.70/147,399.12
  6. Step 6: Final answer
    x = 78,957.54

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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.