Home / 130,501.55-180,104.78-73,150.62

Finding the Fourth Proportional to 130,501.55, 180,104.78 and 73,150.62

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Solution

The fourth proportional to 130,501.55, 180,104.78 and 73,150.62 is: 100,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.55 : 180,104.78 = 73,150.62 : x
  2. Step 2: Convert to fraction form
    130,501.55/180,104.78 = 73,150.62/x
  3. Step 3: Cross multiply
    130,501.55x = 180,104.78 × 73,150.62
  4. Step 4: Simplify right side
    130,501.55x = 13,174,775,829.45
  5. Step 5: Solve for x
    x = 13,174,775,829.45/130,501.55
  6. Step 6: Final answer
    x = 100,954.94

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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.