Home / 208,023.50-287,070.72-112,530.44

Finding the Fourth Proportional to 208,023.50, 287,070.72 and 112,530.44

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Solution

The fourth proportional to 208,023.50, 287,070.72 and 112,530.44 is: 155,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,023.50 : 287,070.72 = 112,530.44 : x
  2. Step 2: Convert to fraction form
    208,023.50/287,070.72 = 112,530.44/x
  3. Step 3: Cross multiply
    208,023.50x = 287,070.72 × 112,530.44
  4. Step 4: Simplify right side
    208,023.50x = 32,304,194,432.72
  5. Step 5: Solve for x
    x = 32,304,194,432.72/208,023.50
  6. Step 6: Final answer
    x = 155,291.08

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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.