Home / 151,239.40-226,859.10-130,244.20

Finding the Fourth Proportional to 151,239.40, 226,859.10 and 130,244.20

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Solution

The fourth proportional to 151,239.40, 226,859.10 and 130,244.20 is: 195,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,239.40 : 226,859.10 = 130,244.20 : x
  2. Step 2: Convert to fraction form
    151,239.40/226,859.10 = 130,244.20/x
  3. Step 3: Cross multiply
    151,239.40x = 226,859.10 × 130,244.20
  4. Step 4: Simplify right side
    151,239.40x = 29,547,081,992.22
  5. Step 5: Solve for x
    x = 29,547,081,992.22/151,239.40
  6. Step 6: Final answer
    x = 195,366.30

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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.