Home / 155,993.32-215,270.80-84,373.35

Finding the Fourth Proportional to 155,993.32, 215,270.80 and 84,373.35

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Solution

The fourth proportional to 155,993.32, 215,270.80 and 84,373.35 is: 116,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,993.32 : 215,270.80 = 84,373.35 : x
  2. Step 2: Convert to fraction form
    155,993.32/215,270.80 = 84,373.35/x
  3. Step 3: Cross multiply
    155,993.32x = 215,270.80 × 84,373.35
  4. Step 4: Simplify right side
    155,993.32x = 18,163,117,476.83
  5. Step 5: Solve for x
    x = 18,163,117,476.83/155,993.32
  6. Step 6: Final answer
    x = 116,435.23

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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.