Home / 140,237.90-193,529.02-76,575.70

Finding the Fourth Proportional to 140,237.90, 193,529.02 and 76,575.70

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Solution

The fourth proportional to 140,237.90, 193,529.02 and 76,575.70 is: 105,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,237.90 : 193,529.02 = 76,575.70 : x
  2. Step 2: Convert to fraction form
    140,237.90/193,529.02 = 76,575.70/x
  3. Step 3: Cross multiply
    140,237.90x = 193,529.02 × 76,575.70
  4. Step 4: Simplify right side
    140,237.90x = 14,819,620,176.81
  5. Step 5: Solve for x
    x = 14,819,620,176.81/140,237.90
  6. Step 6: Final answer
    x = 105,674.86

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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.