Home / 154,890.34-232,338.06-42,569.86

Finding the Fourth Proportional to 154,890.34, 232,338.06 and 42,569.86

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Solution

The fourth proportional to 154,890.34, 232,338.06 and 42,569.86 is: 63,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,890.34 : 232,338.06 = 42,569.86 : x
  2. Step 2: Convert to fraction form
    154,890.34/232,338.06 = 42,569.86/x
  3. Step 3: Cross multiply
    154,890.34x = 232,338.06 × 42,569.86
  4. Step 4: Simplify right side
    154,890.34x = 9,890,598,686.87
  5. Step 5: Solve for x
    x = 9,890,598,686.87/154,890.34
  6. Step 6: Final answer
    x = 63,855.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.