Home / 152,648.08-210,433.16-107,187.60

Finding the Fourth Proportional to 152,648.08, 210,433.16 and 107,187.60

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Solution

The fourth proportional to 152,648.08, 210,433.16 and 107,187.60 is: 147,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,648.08 : 210,433.16 = 107,187.60 : x
  2. Step 2: Convert to fraction form
    152,648.08/210,433.16 = 107,187.60/x
  3. Step 3: Cross multiply
    152,648.08x = 210,433.16 × 107,187.60
  4. Step 4: Simplify right side
    152,648.08x = 22,555,825,380.82
  5. Step 5: Solve for x
    x = 22,555,825,380.82/152,648.08
  6. Step 6: Final answer
    x = 147,763.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.