Home / 169,208.14-253,224.69-105,139.98

Finding the Fourth Proportional to 169,208.14, 253,224.69 and 105,139.98

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Solution

The fourth proportional to 169,208.14, 253,224.69 and 105,139.98 is: 157,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,208.14 : 253,224.69 = 105,139.98 : x
  2. Step 2: Convert to fraction form
    169,208.14/253,224.69 = 105,139.98/x
  3. Step 3: Cross multiply
    169,208.14x = 253,224.69 × 105,139.98
  4. Step 4: Simplify right side
    169,208.14x = 26,624,038,842.11
  5. Step 5: Solve for x
    x = 26,624,038,842.11/169,208.14
  6. Step 6: Final answer
    x = 157,344.91

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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.