Home / 147,272.24-221,240.90-87,340.03

Finding the Fourth Proportional to 147,272.24, 221,240.90 and 87,340.03

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Solution

The fourth proportional to 147,272.24, 221,240.90 and 87,340.03 is: 131,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,272.24 : 221,240.90 = 87,340.03 : x
  2. Step 2: Convert to fraction form
    147,272.24/221,240.90 = 87,340.03/x
  3. Step 3: Cross multiply
    147,272.24x = 221,240.90 × 87,340.03
  4. Step 4: Simplify right side
    147,272.24x = 19,323,186,843.23
  5. Step 5: Solve for x
    x = 19,323,186,843.23/147,272.24
  6. Step 6: Final answer
    x = 131,207.26

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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.