Home / 126,215.20-189,322.80-37,482.40

Finding the Fourth Proportional to 126,215.20, 189,322.80 and 37,482.40

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Solution

The fourth proportional to 126,215.20, 189,322.80 and 37,482.40 is: 56,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,215.20 : 189,322.80 = 37,482.40 : x
  2. Step 2: Convert to fraction form
    126,215.20/189,322.80 = 37,482.40/x
  3. Step 3: Cross multiply
    126,215.20x = 189,322.80 × 37,482.40
  4. Step 4: Simplify right side
    126,215.20x = 7,096,272,918.72
  5. Step 5: Solve for x
    x = 7,096,272,918.72/126,215.20
  6. Step 6: Final answer
    x = 56,223.60

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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.