Home / 140,533.29-193,934.34-76,870.32

Finding the Fourth Proportional to 140,533.29, 193,934.34 and 76,870.32

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Solution

The fourth proportional to 140,533.29, 193,934.34 and 76,870.32 is: 106,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,533.29 : 193,934.34 = 76,870.32 : x
  2. Step 2: Convert to fraction form
    140,533.29/193,934.34 = 76,870.32/x
  3. Step 3: Cross multiply
    140,533.29x = 193,934.34 × 76,870.32
  4. Step 4: Simplify right side
    140,533.29x = 14,907,794,774.79
  5. Step 5: Solve for x
    x = 14,907,794,774.79/140,533.29
  6. Step 6: Final answer
    x = 106,080.17

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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.