Home / 140,598.41-210,632.72-69,437.75

Finding the Fourth Proportional to 140,598.41, 210,632.72 and 69,437.75

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Solution

The fourth proportional to 140,598.41, 210,632.72 and 69,437.75 is: 104,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,598.41 : 210,632.72 = 69,437.75 : x
  2. Step 2: Convert to fraction form
    140,598.41/210,632.72 = 69,437.75/x
  3. Step 3: Cross multiply
    140,598.41x = 210,632.72 × 69,437.75
  4. Step 4: Simplify right side
    140,598.41x = 14,625,860,752.83
  5. Step 5: Solve for x
    x = 14,625,860,752.83/140,598.41
  6. Step 6: Final answer
    x = 104,025.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.