Home / 225,041.28-310,559.04-124,440.96

Finding the Fourth Proportional to 225,041.28, 310,559.04 and 124,440.96

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Solution

The fourth proportional to 225,041.28, 310,559.04 and 124,440.96 is: 171,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,041.28 : 310,559.04 = 124,440.96 : x
  2. Step 2: Convert to fraction form
    225,041.28/310,559.04 = 124,440.96/x
  3. Step 3: Cross multiply
    225,041.28x = 310,559.04 × 124,440.96
  4. Step 4: Simplify right side
    225,041.28x = 38,646,265,074.28
  5. Step 5: Solve for x
    x = 38,646,265,074.28/225,041.28
  6. Step 6: Final answer
    x = 171,729.67

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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.