Home / 145,739.94-218,609.95-112,508.52

Finding the Fourth Proportional to 145,739.94, 218,609.95 and 112,508.52

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Solution

The fourth proportional to 145,739.94, 218,609.95 and 112,508.52 is: 168,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,739.94 : 218,609.95 = 112,508.52 : x
  2. Step 2: Convert to fraction form
    145,739.94/218,609.95 = 112,508.52/x
  3. Step 3: Cross multiply
    145,739.94x = 218,609.95 × 112,508.52
  4. Step 4: Simplify right side
    145,739.94x = 24,595,481,931.77
  5. Step 5: Solve for x
    x = 24,595,481,931.77/145,739.94
  6. Step 6: Final answer
    x = 168,762.81

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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.