Home / 208,008.18-287,051.04-112,514.58

Finding the Fourth Proportional to 208,008.18, 287,051.04 and 112,514.58

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Solution

The fourth proportional to 208,008.18, 287,051.04 and 112,514.58 is: 155,269.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,008.18 : 287,051.04 = 112,514.58 : x
  2. Step 2: Convert to fraction form
    208,008.18/287,051.04 = 112,514.58/x
  3. Step 3: Cross multiply
    208,008.18x = 287,051.04 × 112,514.58
  4. Step 4: Simplify right side
    208,008.18x = 32,297,427,204.16
  5. Step 5: Solve for x
    x = 32,297,427,204.16/208,008.18
  6. Step 6: Final answer
    x = 155,269.99

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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.