Home / 207,102.72-310,187.36-145,050.24

Finding the Fourth Proportional to 207,102.72, 310,187.36 and 145,050.24

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Solution

The fourth proportional to 207,102.72, 310,187.36 and 145,050.24 is: 217,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,102.72 : 310,187.36 = 145,050.24 : x
  2. Step 2: Convert to fraction form
    207,102.72/310,187.36 = 145,050.24/x
  3. Step 3: Cross multiply
    207,102.72x = 310,187.36 × 145,050.24
  4. Step 4: Simplify right side
    207,102.72x = 44,992,751,012.97
  5. Step 5: Solve for x
    x = 44,992,751,012.97/207,102.72
  6. Step 6: Final answer
    x = 217,248.48

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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.