Home / 209,415.60-314,004.08-142,936.24

Finding the Fourth Proportional to 209,415.60, 314,004.08 and 142,936.24

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Solution

The fourth proportional to 209,415.60, 314,004.08 and 142,936.24 is: 214,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,415.60 : 314,004.08 = 142,936.24 : x
  2. Step 2: Convert to fraction form
    209,415.60/314,004.08 = 142,936.24/x
  3. Step 3: Cross multiply
    209,415.60x = 314,004.08 × 142,936.24
  4. Step 4: Simplify right side
    209,415.60x = 44,882,562,539.86
  5. Step 5: Solve for x
    x = 44,882,562,539.86/209,415.60
  6. Step 6: Final answer
    x = 214,322.92

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1.5x scale

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.