Home / 161,345.70-222,426.27-107,611.11

Finding the Fourth Proportional to 161,345.70, 222,426.27 and 107,611.11

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Solution

The fourth proportional to 161,345.70, 222,426.27 and 107,611.11 is: 148,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,345.70 : 222,426.27 = 107,611.11 : x
  2. Step 2: Convert to fraction form
    161,345.70/222,426.27 = 107,611.11/x
  3. Step 3: Cross multiply
    161,345.70x = 222,426.27 × 107,611.11
  4. Step 4: Simplify right side
    161,345.70x = 23,935,537,807.86
  5. Step 5: Solve for x
    x = 23,935,537,807.86/161,345.70
  6. Step 6: Final answer
    x = 148,349.40

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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.