Home / 208,084.24-287,154.21-112,588.84

Finding the Fourth Proportional to 208,084.24, 287,154.21 and 112,588.84

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Solution

The fourth proportional to 208,084.24, 287,154.21 and 112,588.84 is: 155,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,084.24 : 287,154.21 = 112,588.84 : x
  2. Step 2: Convert to fraction form
    208,084.24/287,154.21 = 112,588.84/x
  3. Step 3: Cross multiply
    208,084.24x = 287,154.21 × 112,588.84
  4. Step 4: Simplify right side
    208,084.24x = 32,330,359,405.02
  5. Step 5: Solve for x
    x = 32,330,359,405.02/208,084.24
  6. Step 6: Final answer
    x = 155,371.49

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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.