Home / 208,028.54-287,079.23-112,535.31

Finding the Fourth Proportional to 208,028.54, 287,079.23 and 112,535.31

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Solution

The fourth proportional to 208,028.54, 287,079.23 and 112,535.31 is: 155,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,028.54 : 287,079.23 = 112,535.31 : x
  2. Step 2: Convert to fraction form
    208,028.54/287,079.23 = 112,535.31/x
  3. Step 3: Cross multiply
    208,028.54x = 287,079.23 × 112,535.31
  4. Step 4: Simplify right side
    208,028.54x = 32,306,550,142.61
  5. Step 5: Solve for x
    x = 32,306,550,142.61/208,028.54
  6. Step 6: Final answer
    x = 155,298.64

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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.