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Finding the Fourth Proportional to 161,630.59, 222,935.50 and 137,263.31

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Solution

The fourth proportional to 161,630.59, 222,935.50 and 137,263.31 is: 189,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,630.59 : 222,935.50 = 137,263.31 : x
  2. Step 2: Convert to fraction form
    161,630.59/222,935.50 = 137,263.31/x
  3. Step 3: Cross multiply
    161,630.59x = 222,935.50 × 137,263.31
  4. Step 4: Simplify right side
    161,630.59x = 30,600,864,646.51
  5. Step 5: Solve for x
    x = 30,600,864,646.51/161,630.59
  6. Step 6: Final answer
    x = 189,325.95

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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.