Home / 201,427.60-302,360.10-126,632.20

Finding the Fourth Proportional to 201,427.60, 302,360.10 and 126,632.20

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Solution

The fourth proportional to 201,427.60, 302,360.10 and 126,632.20 is: 190,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,427.60 : 302,360.10 = 126,632.20 : x
  2. Step 2: Convert to fraction form
    201,427.60/302,360.10 = 126,632.20/x
  3. Step 3: Cross multiply
    201,427.60x = 302,360.10 × 126,632.20
  4. Step 4: Simplify right side
    201,427.60x = 38,288,524,655.22
  5. Step 5: Solve for x
    x = 38,288,524,655.22/201,427.60
  6. Step 6: Final answer
    x = 190,085.79

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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.