Home / 208,345.56-287,516.97-112,852.50

Finding the Fourth Proportional to 208,345.56, 287,516.97 and 112,852.50

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Solution

The fourth proportional to 208,345.56, 287,516.97 and 112,852.50 is: 155,736.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,345.56 : 287,516.97 = 112,852.50 : x
  2. Step 2: Convert to fraction form
    208,345.56/287,516.97 = 112,852.50/x
  3. Step 3: Cross multiply
    208,345.56x = 287,516.97 × 112,852.50
  4. Step 4: Simplify right side
    208,345.56x = 32,447,008,856.93
  5. Step 5: Solve for x
    x = 32,447,008,856.93/208,345.56
  6. Step 6: Final answer
    x = 155,736.50

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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.