Home / 145,980.42-201,507.60-113,650.98

Finding the Fourth Proportional to 145,980.42, 201,507.60 and 113,650.98

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Solution

The fourth proportional to 145,980.42, 201,507.60 and 113,650.98 is: 156,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,980.42 : 201,507.60 = 113,650.98 : x
  2. Step 2: Convert to fraction form
    145,980.42/201,507.60 = 113,650.98/x
  3. Step 3: Cross multiply
    145,980.42x = 201,507.60 × 113,650.98
  4. Step 4: Simplify right side
    145,980.42x = 22,901,536,217.45
  5. Step 5: Solve for x
    x = 22,901,536,217.45/145,980.42
  6. Step 6: Final answer
    x = 156,880.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.