Home / 105,683.24-158,478.78-39,973.16

Finding the Fourth Proportional to 105,683.24, 158,478.78 and 39,973.16

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Solution

The fourth proportional to 105,683.24, 158,478.78 and 39,973.16 is: 59,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,683.24 : 158,478.78 = 39,973.16 : x
  2. Step 2: Convert to fraction form
    105,683.24/158,478.78 = 39,973.16/x
  3. Step 3: Cross multiply
    105,683.24x = 158,478.78 × 39,973.16
  4. Step 4: Simplify right side
    105,683.24x = 6,334,896,637.29
  5. Step 5: Solve for x
    x = 6,334,896,637.29/105,683.24
  6. Step 6: Final answer
    x = 59,942.30

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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.