Home / 140,569.86-210,831.30-61,662.90

Finding the Fourth Proportional to 140,569.86, 210,831.30 and 61,662.90

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Solution

The fourth proportional to 140,569.86, 210,831.30 and 61,662.90 is: 92,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,569.86 : 210,831.30 = 61,662.90 : x
  2. Step 2: Convert to fraction form
    140,569.86/210,831.30 = 61,662.90/x
  3. Step 3: Cross multiply
    140,569.86x = 210,831.30 × 61,662.90
  4. Step 4: Simplify right side
    140,569.86x = 13,000,469,368.77
  5. Step 5: Solve for x
    x = 13,000,469,368.77/140,569.86
  6. Step 6: Final answer
    x = 92,484.05

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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.