Home / 201,539.84-278,152.96-116,683.52

Finding the Fourth Proportional to 201,539.84, 278,152.96 and 116,683.52

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Solution

The fourth proportional to 201,539.84, 278,152.96 and 116,683.52 is: 161,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,539.84 : 278,152.96 = 116,683.52 : x
  2. Step 2: Convert to fraction form
    201,539.84/278,152.96 = 116,683.52/x
  3. Step 3: Cross multiply
    201,539.84x = 278,152.96 × 116,683.52
  4. Step 4: Simplify right side
    201,539.84x = 32,455,866,471.22
  5. Step 5: Solve for x
    x = 32,455,866,471.22/201,539.84
  6. Step 6: Final answer
    x = 161,039.46

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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.