Home / 208,200.36-287,316.18-112,707.03

Finding the Fourth Proportional to 208,200.36, 287,316.18 and 112,707.03

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Solution

The fourth proportional to 208,200.36, 287,316.18 and 112,707.03 is: 155,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,200.36 : 287,316.18 = 112,707.03 : x
  2. Step 2: Convert to fraction form
    208,200.36/287,316.18 = 112,707.03/x
  3. Step 3: Cross multiply
    208,200.36x = 287,316.18 × 112,707.03
  4. Step 4: Simplify right side
    208,200.36x = 32,382,553,318.75
  5. Step 5: Solve for x
    x = 32,382,553,318.75/208,200.36
  6. Step 6: Final answer
    x = 155,535.53

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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.