Home / 145,569.04-200,874.44-81,894.53

Finding the Fourth Proportional to 145,569.04, 200,874.44 and 81,894.53

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Solution

The fourth proportional to 145,569.04, 200,874.44 and 81,894.53 is: 113,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,569.04 : 200,874.44 = 81,894.53 : x
  2. Step 2: Convert to fraction form
    145,569.04/200,874.44 = 81,894.53/x
  3. Step 3: Cross multiply
    145,569.04x = 200,874.44 × 81,894.53
  4. Step 4: Simplify right side
    145,569.04x = 16,450,517,852.81
  5. Step 5: Solve for x
    x = 16,450,517,852.81/145,569.04
  6. Step 6: Final answer
    x = 113,008.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.