Home / 236,726.02-326,689.05-129,301.84

Finding the Fourth Proportional to 236,726.02, 326,689.05 and 129,301.84

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Solution

The fourth proportional to 236,726.02, 326,689.05 and 129,301.84 is: 178,440.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,726.02 : 326,689.05 = 129,301.84 : x
  2. Step 2: Convert to fraction form
    236,726.02/326,689.05 = 129,301.84/x
  3. Step 3: Cross multiply
    236,726.02x = 326,689.05 × 129,301.84
  4. Step 4: Simplify right side
    236,726.02x = 42,241,495,272.85
  5. Step 5: Solve for x
    x = 42,241,495,272.85/236,726.02
  6. Step 6: Final answer
    x = 178,440.44

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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.