Home / 208,727.28-288,043.68-118,081.32

Finding the Fourth Proportional to 208,727.28, 288,043.68 and 118,081.32

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Solution

The fourth proportional to 208,727.28, 288,043.68 and 118,081.32 is: 162,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,727.28 : 288,043.68 = 118,081.32 : x
  2. Step 2: Convert to fraction form
    208,727.28/288,043.68 = 118,081.32/x
  3. Step 3: Cross multiply
    208,727.28x = 288,043.68 × 118,081.32
  4. Step 4: Simplify right side
    208,727.28x = 34,012,577,952.06
  5. Step 5: Solve for x
    x = 34,012,577,952.06/208,727.28
  6. Step 6: Final answer
    x = 162,952.24

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1.5x scale

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.