Home / 140,277.03-193,575.20-76,602.93

Finding the Fourth Proportional to 140,277.03, 193,575.20 and 76,602.93

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Solution

The fourth proportional to 140,277.03, 193,575.20 and 76,602.93 is: 105,708.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,277.03 : 193,575.20 = 76,602.93 : x
  2. Step 2: Convert to fraction form
    140,277.03/193,575.20 = 76,602.93/x
  3. Step 3: Cross multiply
    140,277.03x = 193,575.20 × 76,602.93
  4. Step 4: Simplify right side
    140,277.03x = 14,828,427,112.32
  5. Step 5: Solve for x
    x = 14,828,427,112.32/140,277.03
  6. Step 6: Final answer
    x = 105,708.16

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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.