Home / 140,074.88-193,303.33-76,412.93

Finding the Fourth Proportional to 140,074.88, 193,303.33 and 76,412.93

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Solution

The fourth proportional to 140,074.88, 193,303.33 and 76,412.93 is: 105,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.88 : 193,303.33 = 76,412.93 : x
  2. Step 2: Convert to fraction form
    140,074.88/193,303.33 = 76,412.93/x
  3. Step 3: Cross multiply
    140,074.88x = 193,303.33 × 76,412.93
  4. Step 4: Simplify right side
    140,074.88x = 14,770,872,666.51
  5. Step 5: Solve for x
    x = 14,770,872,666.51/140,074.88
  6. Step 6: Final answer
    x = 105,449.84

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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.