Home / 236,600.02-326,495.64-129,149.29

Finding the Fourth Proportional to 236,600.02, 326,495.64 and 129,149.29

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Solution

The fourth proportional to 236,600.02, 326,495.64 and 129,149.29 is: 178,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,600.02 : 326,495.64 = 129,149.29 : x
  2. Step 2: Convert to fraction form
    236,600.02/326,495.64 = 129,149.29/x
  3. Step 3: Cross multiply
    236,600.02x = 326,495.64 × 129,149.29
  4. Step 4: Simplify right side
    236,600.02x = 42,166,680,094.10
  5. Step 5: Solve for x
    x = 42,166,680,094.10/236,600.02
  6. Step 6: Final answer
    x = 178,219.26

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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.