Home / 217,051.60-299,547.06-131,031.73

Finding the Fourth Proportional to 217,051.60, 299,547.06 and 131,031.73

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Solution

The fourth proportional to 217,051.60, 299,547.06 and 131,031.73 is: 180,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,051.60 : 299,547.06 = 131,031.73 : x
  2. Step 2: Convert to fraction form
    217,051.60/299,547.06 = 131,031.73/x
  3. Step 3: Cross multiply
    217,051.60x = 299,547.06 × 131,031.73
  4. Step 4: Simplify right side
    217,051.60x = 39,250,169,488.21
  5. Step 5: Solve for x
    x = 39,250,169,488.21/217,051.60
  6. Step 6: Final answer
    x = 180,833.36

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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.