Home / 155,823.32-215,036.25-84,203.35

Finding the Fourth Proportional to 155,823.32, 215,036.25 and 84,203.35

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Solution

The fourth proportional to 155,823.32, 215,036.25 and 84,203.35 is: 116,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,823.32 : 215,036.25 = 84,203.35 : x
  2. Step 2: Convert to fraction form
    155,823.32/215,036.25 = 84,203.35/x
  3. Step 3: Cross multiply
    155,823.32x = 215,036.25 × 84,203.35
  4. Step 4: Simplify right side
    155,823.32x = 18,106,771,546.26
  5. Step 5: Solve for x
    x = 18,106,771,546.26/155,823.32
  6. Step 6: Final answer
    x = 116,200.65

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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.