Home / 208,120.34-287,206.05-112,627.04

Finding the Fourth Proportional to 208,120.34, 287,206.05 and 112,627.04

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Solution

The fourth proportional to 208,120.34, 287,206.05 and 112,627.04 is: 155,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,120.34 : 287,206.05 = 112,627.04 : x
  2. Step 2: Convert to fraction form
    208,120.34/287,206.05 = 112,627.04/x
  3. Step 3: Cross multiply
    208,120.34x = 287,206.05 × 112,627.04
  4. Step 4: Simplify right side
    208,120.34x = 32,347,167,281.59
  5. Step 5: Solve for x
    x = 32,347,167,281.59/208,120.34
  6. Step 6: Final answer
    x = 155,425.30

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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.