Home / 163,390.42-245,100.78-63,558.22

Finding the Fourth Proportional to 163,390.42, 245,100.78 and 63,558.22

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Solution

The fourth proportional to 163,390.42, 245,100.78 and 63,558.22 is: 95,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,390.42 : 245,100.78 = 63,558.22 : x
  2. Step 2: Convert to fraction form
    163,390.42/245,100.78 = 63,558.22/x
  3. Step 3: Cross multiply
    163,390.42x = 245,100.78 × 63,558.22
  4. Step 4: Simplify right side
    163,390.42x = 15,578,169,297.41
  5. Step 5: Solve for x
    x = 15,578,169,297.41/163,390.42
  6. Step 6: Final answer
    x = 95,343.22

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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.