Home / 154,929.08-232,369.50-42,617.72

Finding the Fourth Proportional to 154,929.08, 232,369.50 and 42,617.72

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Solution

The fourth proportional to 154,929.08, 232,369.50 and 42,617.72 is: 63,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,929.08 : 232,369.50 = 42,617.72 : x
  2. Step 2: Convert to fraction form
    154,929.08/232,369.50 = 42,617.72/x
  3. Step 3: Cross multiply
    154,929.08x = 232,369.50 × 42,617.72
  4. Step 4: Simplify right side
    154,929.08x = 9,903,058,287.54
  5. Step 5: Solve for x
    x = 9,903,058,287.54/154,929.08
  6. Step 6: Final answer
    x = 63,919.95

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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.