Home / 91,972.40-126,922.41-53,734.19

Finding the Fourth Proportional to 91,972.40, 126,922.41 and 53,734.19

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Solution

The fourth proportional to 91,972.40, 126,922.41 and 53,734.19 is: 74,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.40 : 126,922.41 = 53,734.19 : x
  2. Step 2: Convert to fraction form
    91,972.40/126,922.41 = 53,734.19/x
  3. Step 3: Cross multiply
    91,972.40x = 126,922.41 × 53,734.19
  4. Step 4: Simplify right side
    91,972.40x = 6,820,072,259.59
  5. Step 5: Solve for x
    x = 6,820,072,259.59/91,972.40
  6. Step 6: Final answer
    x = 74,153.47

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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.