Home / 163,683.68-245,530.80-45,356.16

Finding the Fourth Proportional to 163,683.68, 245,530.80 and 45,356.16

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Solution

The fourth proportional to 163,683.68, 245,530.80 and 45,356.16 is: 68,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,683.68 : 245,530.80 = 45,356.16 : x
  2. Step 2: Convert to fraction form
    163,683.68/245,530.80 = 45,356.16/x
  3. Step 3: Cross multiply
    163,683.68x = 245,530.80 × 45,356.16
  4. Step 4: Simplify right side
    163,683.68x = 11,136,334,249.73
  5. Step 5: Solve for x
    x = 11,136,334,249.73/163,683.68
  6. Step 6: Final answer
    x = 68,035.70

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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.