Home / 135,890.64-187,533.90-75,462.30

Finding the Fourth Proportional to 135,890.64, 187,533.90 and 75,462.30

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Solution

The fourth proportional to 135,890.64, 187,533.90 and 75,462.30 is: 104,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,890.64 : 187,533.90 = 75,462.30 : x
  2. Step 2: Convert to fraction form
    135,890.64/187,533.90 = 75,462.30/x
  3. Step 3: Cross multiply
    135,890.64x = 187,533.90 × 75,462.30
  4. Step 4: Simplify right side
    135,890.64x = 14,151,739,421.97
  5. Step 5: Solve for x
    x = 14,151,739,421.97/135,890.64
  6. Step 6: Final answer
    x = 104,140.65

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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.