Home / 130,526.72-180,086.41-73,158.09

Finding the Fourth Proportional to 130,526.72, 180,086.41 and 73,158.09

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Solution

The fourth proportional to 130,526.72, 180,086.41 and 73,158.09 is: 100,935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,526.72 : 180,086.41 = 73,158.09 : x
  2. Step 2: Convert to fraction form
    130,526.72/180,086.41 = 73,158.09/x
  3. Step 3: Cross multiply
    130,526.72x = 180,086.41 × 73,158.09
  4. Step 4: Simplify right side
    130,526.72x = 13,174,777,412.44
  5. Step 5: Solve for x
    x = 13,174,777,412.44/130,526.72
  6. Step 6: Final answer
    x = 100,935.49

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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.