Home / 236,875.89-326,893.02-129,450.45

Finding the Fourth Proportional to 236,875.89, 326,893.02 and 129,450.45

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Solution

The fourth proportional to 236,875.89, 326,893.02 and 129,450.45 is: 178,643.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,875.89 : 326,893.02 = 129,450.45 : x
  2. Step 2: Convert to fraction form
    236,875.89/326,893.02 = 129,450.45/x
  3. Step 3: Cross multiply
    236,875.89x = 326,893.02 × 129,450.45
  4. Step 4: Simplify right side
    236,875.89x = 42,316,448,540.86
  5. Step 5: Solve for x
    x = 42,316,448,540.86/236,875.89
  6. Step 6: Final answer
    x = 178,643.97

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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.