Home / 141,503.09-195,274.80-76,972.32

Finding the Fourth Proportional to 141,503.09, 195,274.80 and 76,972.32

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Solution

The fourth proportional to 141,503.09, 195,274.80 and 76,972.32 is: 106,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,503.09 : 195,274.80 = 76,972.32 : x
  2. Step 2: Convert to fraction form
    141,503.09/195,274.80 = 76,972.32/x
  3. Step 3: Cross multiply
    141,503.09x = 195,274.80 × 76,972.32
  4. Step 4: Simplify right side
    141,503.09x = 15,030,754,393.54
  5. Step 5: Solve for x
    x = 15,030,754,393.54/141,503.09
  6. Step 6: Final answer
    x = 106,222.10

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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.