Home / 142,428.24-196,625.16-133,004.88

Finding the Fourth Proportional to 142,428.24, 196,625.16 and 133,004.88

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Solution

The fourth proportional to 142,428.24, 196,625.16 and 133,004.88 is: 183,616.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,428.24 : 196,625.16 = 133,004.88 : x
  2. Step 2: Convert to fraction form
    142,428.24/196,625.16 = 133,004.88/x
  3. Step 3: Cross multiply
    142,428.24x = 196,625.16 × 133,004.88
  4. Step 4: Simplify right side
    142,428.24x = 26,152,105,810.78
  5. Step 5: Solve for x
    x = 26,152,105,810.78/142,428.24
  6. Step 6: Final answer
    x = 183,616.01

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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.