Home / 208,236.04-287,365.92-112,742.80

Finding the Fourth Proportional to 208,236.04, 287,365.92 and 112,742.80

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Solution

The fourth proportional to 208,236.04, 287,365.92 and 112,742.80 is: 155,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,236.04 : 287,365.92 = 112,742.80 : x
  2. Step 2: Convert to fraction form
    208,236.04/287,365.92 = 112,742.80/x
  3. Step 3: Cross multiply
    208,236.04x = 287,365.92 × 112,742.80
  4. Step 4: Simplify right side
    208,236.04x = 32,398,438,445.38
  5. Step 5: Solve for x
    x = 32,398,438,445.38/208,236.04
  6. Step 6: Final answer
    x = 155,585.16

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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.