Home / 160,433.29-221,400.55-87,834.96

Finding the Fourth Proportional to 160,433.29, 221,400.55 and 87,834.96

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Solution

The fourth proportional to 160,433.29, 221,400.55 and 87,834.96 is: 121,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,433.29 : 221,400.55 = 87,834.96 : x
  2. Step 2: Convert to fraction form
    160,433.29/221,400.55 = 87,834.96/x
  3. Step 3: Cross multiply
    160,433.29x = 221,400.55 × 87,834.96
  4. Step 4: Simplify right side
    160,433.29x = 19,446,708,563.02
  5. Step 5: Solve for x
    x = 19,446,708,563.02/160,433.29
  6. Step 6: Final answer
    x = 121,213.67

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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.