Home / 140,050.98-193,267.08-76,389.30

Finding the Fourth Proportional to 140,050.98, 193,267.08 and 76,389.30

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Solution

The fourth proportional to 140,050.98, 193,267.08 and 76,389.30 is: 105,415.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,050.98 : 193,267.08 = 76,389.30 : x
  2. Step 2: Convert to fraction form
    140,050.98/193,267.08 = 76,389.30/x
  3. Step 3: Cross multiply
    140,050.98x = 193,267.08 × 76,389.30
  4. Step 4: Simplify right side
    140,050.98x = 14,763,536,954.24
  5. Step 5: Solve for x
    x = 14,763,536,954.24/140,050.98
  6. Step 6: Final answer
    x = 105,415.45

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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.