Home / 160,820.92-221,946.48-89,224

Finding the Fourth Proportional to 160,820.92, 221,946.48 and 89,224

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Solution

The fourth proportional to 160,820.92, 221,946.48 and 89,224 is: 123,136.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,820.92 : 221,946.48 = 89,224 : x
  2. Step 2: Convert to fraction form
    160,820.92/221,946.48 = 89,224/x
  3. Step 3: Cross multiply
    160,820.92x = 221,946.48 × 89,224
  4. Step 4: Simplify right side
    160,820.92x = 19,802,952,731.52
  5. Step 5: Solve for x
    x = 19,802,952,731.52/160,820.92
  6. Step 6: Final answer
    x = 123,136.67

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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.