Home / 153,147.36-229,720.98-47,974.50

Finding the Fourth Proportional to 153,147.36, 229,720.98 and 47,974.50

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Solution

The fourth proportional to 153,147.36, 229,720.98 and 47,974.50 is: 71,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,147.36 : 229,720.98 = 47,974.50 : x
  2. Step 2: Convert to fraction form
    153,147.36/229,720.98 = 47,974.50/x
  3. Step 3: Cross multiply
    153,147.36x = 229,720.98 × 47,974.50
  4. Step 4: Simplify right side
    153,147.36x = 11,020,749,155.01
  5. Step 5: Solve for x
    x = 11,020,749,155.01/153,147.36
  6. Step 6: Final answer
    x = 71,961.73

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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.