Home / 236,873.21-326,871.15-129,444.08

Finding the Fourth Proportional to 236,873.21, 326,871.15 and 129,444.08

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Solution

The fourth proportional to 236,873.21, 326,871.15 and 129,444.08 is: 178,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,873.21 : 326,871.15 = 129,444.08 : x
  2. Step 2: Convert to fraction form
    236,873.21/326,871.15 = 129,444.08/x
  3. Step 3: Cross multiply
    236,873.21x = 326,871.15 × 129,444.08
  4. Step 4: Simplify right side
    236,873.21x = 42,311,535,290.29
  5. Step 5: Solve for x
    x = 42,311,535,290.29/236,873.21
  6. Step 6: Final answer
    x = 178,625.25

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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.