Home / 130,533.39-180,139.75-73,944.77

Finding the Fourth Proportional to 130,533.39, 180,139.75 and 73,944.77

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Solution

The fourth proportional to 130,533.39, 180,139.75 and 73,944.77 is: 102,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,533.39 : 180,139.75 = 73,944.77 : x
  2. Step 2: Convert to fraction form
    130,533.39/180,139.75 = 73,944.77/x
  3. Step 3: Cross multiply
    130,533.39x = 180,139.75 × 73,944.77
  4. Step 4: Simplify right side
    130,533.39x = 13,320,391,296.05
  5. Step 5: Solve for x
    x = 13,320,391,296.05/130,533.39
  6. Step 6: Final answer
    x = 102,045.85

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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.