Home / 105,555.98-158,312.06-38,950.56

Finding the Fourth Proportional to 105,555.98, 158,312.06 and 38,950.56

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Solution

The fourth proportional to 105,555.98, 158,312.06 and 38,950.56 is: 58,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,555.98 : 158,312.06 = 38,950.56 : x
  2. Step 2: Convert to fraction form
    105,555.98/158,312.06 = 38,950.56/x
  3. Step 3: Cross multiply
    105,555.98x = 158,312.06 × 38,950.56
  4. Step 4: Simplify right side
    105,555.98x = 6,166,342,688.00
  5. Step 5: Solve for x
    x = 6,166,342,688.00/105,555.98
  6. Step 6: Final answer
    x = 58,417.75

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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.