Home / 160,428.07-221,230.16-106,715.35

Finding the Fourth Proportional to 160,428.07, 221,230.16 and 106,715.35

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Solution

The fourth proportional to 160,428.07, 221,230.16 and 106,715.35 is: 147,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,428.07 : 221,230.16 = 106,715.35 : x
  2. Step 2: Convert to fraction form
    160,428.07/221,230.16 = 106,715.35/x
  3. Step 3: Cross multiply
    160,428.07x = 221,230.16 × 106,715.35
  4. Step 4: Simplify right side
    160,428.07x = 23,608,652,868.30
  5. Step 5: Solve for x
    x = 23,608,652,868.30/160,428.07
  6. Step 6: Final answer
    x = 147,160.36

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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.