Home / 236,454.48-326,315.06-129,030.41

Finding the Fourth Proportional to 236,454.48, 326,315.06 and 129,030.41

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Solution

The fourth proportional to 236,454.48, 326,315.06 and 129,030.41 is: 178,066.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,454.48 : 326,315.06 = 129,030.41 : x
  2. Step 2: Convert to fraction form
    236,454.48/326,315.06 = 129,030.41/x
  3. Step 3: Cross multiply
    236,454.48x = 326,315.06 × 129,030.41
  4. Step 4: Simplify right side
    236,454.48x = 42,104,563,704.25
  5. Step 5: Solve for x
    x = 42,104,563,704.25/236,454.48
  6. Step 6: Final answer
    x = 178,066.25

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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.