Home / 236,701.56-326,646.42-129,271.56

Finding the Fourth Proportional to 236,701.56, 326,646.42 and 129,271.56

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Solution

The fourth proportional to 236,701.56, 326,646.42 and 129,271.56 is: 178,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,701.56 : 326,646.42 = 129,271.56 : x
  2. Step 2: Convert to fraction form
    236,701.56/326,646.42 = 129,271.56/x
  3. Step 3: Cross multiply
    236,701.56x = 326,646.42 × 129,271.56
  4. Step 4: Simplify right side
    236,701.56x = 42,226,092,281.82
  5. Step 5: Solve for x
    x = 42,226,092,281.82/236,701.56
  6. Step 6: Final answer
    x = 178,393.81

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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.