Home / 130,475.98-180,057.54-73,115.43

Finding the Fourth Proportional to 130,475.98, 180,057.54 and 73,115.43

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Solution

The fourth proportional to 130,475.98, 180,057.54 and 73,115.43 is: 100,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475.98 : 180,057.54 = 73,115.43 : x
  2. Step 2: Convert to fraction form
    130,475.98/180,057.54 = 73,115.43/x
  3. Step 3: Cross multiply
    130,475.98x = 180,057.54 × 73,115.43
  4. Step 4: Simplify right side
    130,475.98x = 13,164,984,461.84
  5. Step 5: Solve for x
    x = 13,164,984,461.84/130,475.98
  6. Step 6: Final answer
    x = 100,899.68

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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.