Home / 105,572.17-158,246.47-49,365.06

Finding the Fourth Proportional to 105,572.17, 158,246.47 and 49,365.06

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Solution

The fourth proportional to 105,572.17, 158,246.47 and 49,365.06 is: 73,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,572.17 : 158,246.47 = 49,365.06 : x
  2. Step 2: Convert to fraction form
    105,572.17/158,246.47 = 49,365.06/x
  3. Step 3: Cross multiply
    105,572.17x = 158,246.47 × 49,365.06
  4. Step 4: Simplify right side
    105,572.17x = 7,811,846,486.34
  5. Step 5: Solve for x
    x = 7,811,846,486.34/105,572.17
  6. Step 6: Final answer
    x = 73,995.32

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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.