Home / 180,749.45-249,434.22-109,147.07

Finding the Fourth Proportional to 180,749.45, 249,434.22 and 109,147.07

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Solution

The fourth proportional to 180,749.45, 249,434.22 and 109,147.07 is: 150,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,749.45 : 249,434.22 = 109,147.07 : x
  2. Step 2: Convert to fraction form
    180,749.45/249,434.22 = 109,147.07/x
  3. Step 3: Cross multiply
    180,749.45x = 249,434.22 × 109,147.07
  4. Step 4: Simplify right side
    180,749.45x = 27,225,013,023.56
  5. Step 5: Solve for x
    x = 27,225,013,023.56/180,749.45
  6. Step 6: Final answer
    x = 150,622.94

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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.