Home / 97,315.86-145,961.23-30,762.71

Finding the Fourth Proportional to 97,315.86, 145,961.23 and 30,762.71

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Solution

The fourth proportional to 97,315.86, 145,961.23 and 30,762.71 is: 46,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,315.86 : 145,961.23 = 30,762.71 : x
  2. Step 2: Convert to fraction form
    97,315.86/145,961.23 = 30,762.71/x
  3. Step 3: Cross multiply
    97,315.86x = 145,961.23 × 30,762.71
  4. Step 4: Simplify right side
    97,315.86x = 4,490,162,989.73
  5. Step 5: Solve for x
    x = 4,490,162,989.73/97,315.86
  6. Step 6: Final answer
    x = 46,140.09

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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.