Home / 152,203.32-210,039.78-87,648.94

Finding the Fourth Proportional to 152,203.32, 210,039.78 and 87,648.94

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Solution

The fourth proportional to 152,203.32, 210,039.78 and 87,648.94 is: 120,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,203.32 : 210,039.78 = 87,648.94 : x
  2. Step 2: Convert to fraction form
    152,203.32/210,039.78 = 87,648.94/x
  3. Step 3: Cross multiply
    152,203.32x = 210,039.78 × 87,648.94
  4. Step 4: Simplify right side
    152,203.32x = 18,409,764,074.83
  5. Step 5: Solve for x
    x = 18,409,764,074.83/152,203.32
  6. Step 6: Final answer
    x = 120,955.08

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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.