Home / 208,853.32-288,148.96-118,200.28

Finding the Fourth Proportional to 208,853.32, 288,148.96 and 118,200.28

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Solution

The fourth proportional to 208,853.32, 288,148.96 and 118,200.28 is: 163,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.32 : 288,148.96 = 118,200.28 : x
  2. Step 2: Convert to fraction form
    208,853.32/288,148.96 = 118,200.28/x
  3. Step 3: Cross multiply
    208,853.32x = 288,148.96 × 118,200.28
  4. Step 4: Simplify right side
    208,853.32x = 34,059,287,753.71
  5. Step 5: Solve for x
    x = 34,059,287,753.71/208,853.32
  6. Step 6: Final answer
    x = 163,077.55

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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.