Home / 154,782.94-232,155.69-42,472.30

Finding the Fourth Proportional to 154,782.94, 232,155.69 and 42,472.30

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Solution

The fourth proportional to 154,782.94, 232,155.69 and 42,472.30 is: 63,703.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,782.94 : 232,155.69 = 42,472.30 : x
  2. Step 2: Convert to fraction form
    154,782.94/232,155.69 = 42,472.30/x
  3. Step 3: Cross multiply
    154,782.94x = 232,155.69 × 42,472.30
  4. Step 4: Simplify right side
    154,782.94x = 9,860,186,112.39
  5. Step 5: Solve for x
    x = 9,860,186,112.39/154,782.94
  6. Step 6: Final answer
    x = 63,703.31

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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.