Home / 154,881.32-213,801.72-104,648.36

Finding the Fourth Proportional to 154,881.32, 213,801.72 and 104,648.36

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Solution

The fourth proportional to 154,881.32, 213,801.72 and 104,648.36 is: 144,458.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,881.32 : 213,801.72 = 104,648.36 : x
  2. Step 2: Convert to fraction form
    154,881.32/213,801.72 = 104,648.36/x
  3. Step 3: Cross multiply
    154,881.32x = 213,801.72 × 104,648.36
  4. Step 4: Simplify right side
    154,881.32x = 22,373,999,363.18
  5. Step 5: Solve for x
    x = 22,373,999,363.18/154,881.32
  6. Step 6: Final answer
    x = 144,458.99

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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.