Home / 236,695.02-326,640.32-129,265.03

Finding the Fourth Proportional to 236,695.02, 326,640.32 and 129,265.03

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Solution

The fourth proportional to 236,695.02, 326,640.32 and 129,265.03 is: 178,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,695.02 : 326,640.32 = 129,265.03 : x
  2. Step 2: Convert to fraction form
    236,695.02/326,640.32 = 129,265.03/x
  3. Step 3: Cross multiply
    236,695.02x = 326,640.32 × 129,265.03
  4. Step 4: Simplify right side
    236,695.02x = 42,223,170,764.01
  5. Step 5: Solve for x
    x = 42,223,170,764.01/236,695.02
  6. Step 6: Final answer
    x = 178,386.39

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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.