Home / 155,887.44-215,124.83-84,267.47

Finding the Fourth Proportional to 155,887.44, 215,124.83 and 84,267.47

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Solution

The fourth proportional to 155,887.44, 215,124.83 and 84,267.47 is: 116,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,887.44 : 215,124.83 = 84,267.47 : x
  2. Step 2: Convert to fraction form
    155,887.44/215,124.83 = 84,267.47/x
  3. Step 3: Cross multiply
    155,887.44x = 215,124.83 × 84,267.47
  4. Step 4: Simplify right side
    155,887.44x = 18,128,025,590.76
  5. Step 5: Solve for x
    x = 18,128,025,590.76/155,887.44
  6. Step 6: Final answer
    x = 116,289.20

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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.