Home / 236,455.10-326,315.92-129,031.03

Finding the Fourth Proportional to 236,455.10, 326,315.92 and 129,031.03

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Solution

The fourth proportional to 236,455.10, 326,315.92 and 129,031.03 is: 178,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,455.10 : 326,315.92 = 129,031.03 : x
  2. Step 2: Convert to fraction form
    236,455.10/326,315.92 = 129,031.03/x
  3. Step 3: Cross multiply
    236,455.10x = 326,315.92 × 129,031.03
  4. Step 4: Simplify right side
    236,455.10x = 42,104,878,124.63
  5. Step 5: Solve for x
    x = 42,104,878,124.63/236,455.10
  6. Step 6: Final answer
    x = 178,067.12

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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.