Home / 120,155.00-180,340.83-64,041.84

Finding the Fourth Proportional to 120,155.00, 180,340.83 and 64,041.84

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Solution

The fourth proportional to 120,155.00, 180,340.83 and 64,041.84 is: 96,120.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,155.00 : 180,340.83 = 64,041.84 : x
  2. Step 2: Convert to fraction form
    120,155.00/180,340.83 = 64,041.84/x
  3. Step 3: Cross multiply
    120,155.00x = 180,340.83 × 64,041.84
  4. Step 4: Simplify right side
    120,155.00x = 11,549,358,580.33
  5. Step 5: Solve for x
    x = 11,549,358,580.33/120,155.00
  6. Step 6: Final answer
    x = 96,120.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.