Home / 159,069.23-219,442.39-140,938.32

Finding the Fourth Proportional to 159,069.23, 219,442.39 and 140,938.32

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Solution

The fourth proportional to 159,069.23, 219,442.39 and 140,938.32 is: 194,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,069.23 : 219,442.39 = 140,938.32 : x
  2. Step 2: Convert to fraction form
    159,069.23/219,442.39 = 140,938.32/x
  3. Step 3: Cross multiply
    159,069.23x = 219,442.39 × 140,938.32
  4. Step 4: Simplify right side
    159,069.23x = 30,927,840,960.48
  5. Step 5: Solve for x
    x = 30,927,840,960.48/159,069.23
  6. Step 6: Final answer
    x = 194,430.07

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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.