Home / 236,460.12-326,315.79-129,032.52

Finding the Fourth Proportional to 236,460.12, 326,315.79 and 129,032.52

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Solution

The fourth proportional to 236,460.12, 326,315.79 and 129,032.52 is: 178,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,460.12 : 326,315.79 = 129,032.52 : x
  2. Step 2: Convert to fraction form
    236,460.12/326,315.79 = 129,032.52/x
  3. Step 3: Cross multiply
    236,460.12x = 326,315.79 × 129,032.52
  4. Step 4: Simplify right side
    236,460.12x = 42,105,348,699.49
  5. Step 5: Solve for x
    x = 42,105,348,699.49/236,460.12
  6. Step 6: Final answer
    x = 178,065.33

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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.