Home / 145,743.37-218,615.10-112,511.95

Finding the Fourth Proportional to 145,743.37, 218,615.10 and 112,511.95

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Solution

The fourth proportional to 145,743.37, 218,615.10 and 112,511.95 is: 168,767.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,743.37 : 218,615.10 = 112,511.95 : x
  2. Step 2: Convert to fraction form
    145,743.37/218,615.10 = 112,511.95/x
  3. Step 3: Cross multiply
    145,743.37x = 218,615.10 × 112,511.95
  4. Step 4: Simplify right side
    145,743.37x = 24,596,811,200.45
  5. Step 5: Solve for x
    x = 24,596,811,200.45/145,743.37
  6. Step 6: Final answer
    x = 168,767.96

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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.