Home / 155,944.10-215,202.71-84,323.95

Finding the Fourth Proportional to 155,944.10, 215,202.71 and 84,323.95

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Solution

The fourth proportional to 155,944.10, 215,202.71 and 84,323.95 is: 116,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,944.10 : 215,202.71 = 84,323.95 : x
  2. Step 2: Convert to fraction form
    155,944.10/215,202.71 = 84,323.95/x
  3. Step 3: Cross multiply
    155,944.10x = 215,202.71 × 84,323.95
  4. Step 4: Simplify right side
    155,944.10x = 18,146,742,557.90
  5. Step 5: Solve for x
    x = 18,146,742,557.90/155,944.10
  6. Step 6: Final answer
    x = 116,366.97

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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.