Home / 145,495.05-200,810.79-91,072.46

Finding the Fourth Proportional to 145,495.05, 200,810.79 and 91,072.46

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Solution

The fourth proportional to 145,495.05, 200,810.79 and 91,072.46 is: 125,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,495.05 : 200,810.79 = 91,072.46 : x
  2. Step 2: Convert to fraction form
    145,495.05/200,810.79 = 91,072.46/x
  3. Step 3: Cross multiply
    145,495.05x = 200,810.79 × 91,072.46
  4. Step 4: Simplify right side
    145,495.05x = 18,288,331,635.79
  5. Step 5: Solve for x
    x = 18,288,331,635.79/145,495.05
  6. Step 6: Final answer
    x = 125,697.28

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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.