Home / 208,056.06-287,117.46-112,562.46

Finding the Fourth Proportional to 208,056.06, 287,117.46 and 112,562.46

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Solution

The fourth proportional to 208,056.06, 287,117.46 and 112,562.46 is: 155,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,056.06 : 287,117.46 = 112,562.46 : x
  2. Step 2: Convert to fraction form
    208,056.06/287,117.46 = 112,562.46/x
  3. Step 3: Cross multiply
    208,056.06x = 287,117.46 × 112,562.46
  4. Step 4: Simplify right side
    208,056.06x = 32,318,647,606.55
  5. Step 5: Solve for x
    x = 32,318,647,606.55/208,056.06
  6. Step 6: Final answer
    x = 155,336.25

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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.