Home / 236,484.72-326,346.12-129,056.58

Finding the Fourth Proportional to 236,484.72, 326,346.12 and 129,056.58

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Solution

The fourth proportional to 236,484.72, 326,346.12 and 129,056.58 is: 178,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,484.72 : 326,346.12 = 129,056.58 : x
  2. Step 2: Convert to fraction form
    236,484.72/326,346.12 = 129,056.58/x
  3. Step 3: Cross multiply
    236,484.72x = 326,346.12 × 129,056.58
  4. Step 4: Simplify right side
    236,484.72x = 42,117,114,143.47
  5. Step 5: Solve for x
    x = 42,117,114,143.47/236,484.72
  6. Step 6: Final answer
    x = 178,096.56

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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.