Home / 145,973.56-201,443.88-82,312.44

Finding the Fourth Proportional to 145,973.56, 201,443.88 and 82,312.44

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Solution

The fourth proportional to 145,973.56, 201,443.88 and 82,312.44 is: 113,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.56 : 201,443.88 = 82,312.44 : x
  2. Step 2: Convert to fraction form
    145,973.56/201,443.88 = 82,312.44/x
  3. Step 3: Cross multiply
    145,973.56x = 201,443.88 × 82,312.44
  4. Step 4: Simplify right side
    145,973.56x = 16,581,337,285.87
  5. Step 5: Solve for x
    x = 16,581,337,285.87/145,973.56
  6. Step 6: Final answer
    x = 113,591.37

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1.5x scale

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.