Home / 152,023.32-209,851.38-136,080.20

Finding the Fourth Proportional to 152,023.32, 209,851.38 and 136,080.20

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Solution

The fourth proportional to 152,023.32, 209,851.38 and 136,080.20 is: 187,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,023.32 : 209,851.38 = 136,080.20 : x
  2. Step 2: Convert to fraction form
    152,023.32/209,851.38 = 136,080.20/x
  3. Step 3: Cross multiply
    152,023.32x = 209,851.38 × 136,080.20
  4. Step 4: Simplify right side
    152,023.32x = 28,556,617,760.68
  5. Step 5: Solve for x
    x = 28,556,617,760.68/152,023.32
  6. Step 6: Final answer
    x = 187,843.67

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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.