Home / 148,872.48-223,127.04-69,881.28

Finding the Fourth Proportional to 148,872.48, 223,127.04 and 69,881.28

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Solution

The fourth proportional to 148,872.48, 223,127.04 and 69,881.28 is: 104,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,872.48 : 223,127.04 = 69,881.28 : x
  2. Step 2: Convert to fraction form
    148,872.48/223,127.04 = 69,881.28/x
  3. Step 3: Cross multiply
    148,872.48x = 223,127.04 × 69,881.28
  4. Step 4: Simplify right side
    148,872.48x = 15,592,403,157.81
  5. Step 5: Solve for x
    x = 15,592,403,157.81/148,872.48
  6. Step 6: Final answer
    x = 104,736.64

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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.