Home / 225,288.04-310,966.74-129,858.52

Finding the Fourth Proportional to 225,288.04, 310,966.74 and 129,858.52

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Solution

The fourth proportional to 225,288.04, 310,966.74 and 129,858.52 is: 179,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,288.04 : 310,966.74 = 129,858.52 : x
  2. Step 2: Convert to fraction form
    225,288.04/310,966.74 = 129,858.52/x
  3. Step 3: Cross multiply
    225,288.04x = 310,966.74 × 129,858.52
  4. Step 4: Simplify right side
    225,288.04x = 40,381,680,625.62
  5. Step 5: Solve for x
    x = 40,381,680,625.62/225,288.04
  6. Step 6: Final answer
    x = 179,244.67

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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.