Home / 236,754.90-326,729.70-129,334.93

Finding the Fourth Proportional to 236,754.90, 326,729.70 and 129,334.93

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Solution

The fourth proportional to 236,754.90, 326,729.70 and 129,334.93 is: 178,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,754.90 : 326,729.70 = 129,334.93 : x
  2. Step 2: Convert to fraction form
    236,754.90/326,729.70 = 129,334.93/x
  3. Step 3: Cross multiply
    236,754.90x = 326,729.70 × 129,334.93
  4. Step 4: Simplify right side
    236,754.90x = 42,257,562,061.60
  5. Step 5: Solve for x
    x = 42,257,562,061.60/236,754.90
  6. Step 6: Final answer
    x = 178,486.54

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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.