Home / 236,452.48-326,312.30-129,028.40

Finding the Fourth Proportional to 236,452.48, 326,312.30 and 129,028.40

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Solution

The fourth proportional to 236,452.48, 326,312.30 and 129,028.40 is: 178,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,452.48 : 326,312.30 = 129,028.40 : x
  2. Step 2: Convert to fraction form
    236,452.48/326,312.30 = 129,028.40/x
  3. Step 3: Cross multiply
    236,452.48x = 326,312.30 × 129,028.40
  4. Step 4: Simplify right side
    236,452.48x = 42,103,554,139.96
  5. Step 5: Solve for x
    x = 42,103,554,139.96/236,452.48
  6. Step 6: Final answer
    x = 178,063.49

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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.