Home / 155,880.08-215,063.76-95,387.60

Finding the Fourth Proportional to 155,880.08, 215,063.76 and 95,387.60

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Solution

The fourth proportional to 155,880.08, 215,063.76 and 95,387.60 is: 131,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,880.08 : 215,063.76 = 95,387.60 : x
  2. Step 2: Convert to fraction form
    155,880.08/215,063.76 = 95,387.60/x
  3. Step 3: Cross multiply
    155,880.08x = 215,063.76 × 95,387.60
  4. Step 4: Simplify right side
    155,880.08x = 20,514,415,913.38
  5. Step 5: Solve for x
    x = 20,514,415,913.38/155,880.08
  6. Step 6: Final answer
    x = 131,603.83

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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.