Home / 159,155.19-219,632.24-87,533.67

Finding the Fourth Proportional to 159,155.19, 219,632.24 and 87,533.67

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Solution

The fourth proportional to 159,155.19, 219,632.24 and 87,533.67 is: 120,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,155.19 : 219,632.24 = 87,533.67 : x
  2. Step 2: Convert to fraction form
    159,155.19/219,632.24 = 87,533.67/x
  3. Step 3: Cross multiply
    159,155.19x = 219,632.24 × 87,533.67
  4. Step 4: Simplify right side
    159,155.19x = 19,225,215,579.85
  5. Step 5: Solve for x
    x = 19,225,215,579.85/159,155.19
  6. Step 6: Final answer
    x = 120,795.40

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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.