Home / 97,857.42-135,039.63-53,144.46

Finding the Fourth Proportional to 97,857.42, 135,039.63 and 53,144.46

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Solution

The fourth proportional to 97,857.42, 135,039.63 and 53,144.46 is: 73,337.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,857.42 : 135,039.63 = 53,144.46 : x
  2. Step 2: Convert to fraction form
    97,857.42/135,039.63 = 53,144.46/x
  3. Step 3: Cross multiply
    97,857.42x = 135,039.63 × 53,144.46
  4. Step 4: Simplify right side
    97,857.42x = 7,176,608,214.95
  5. Step 5: Solve for x
    x = 7,176,608,214.95/97,857.42
  6. Step 6: Final answer
    x = 73,337.39

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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.