Home / 160,289.10-221,129.46-96,590.70

Finding the Fourth Proportional to 160,289.10, 221,129.46 and 96,590.70

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Solution

The fourth proportional to 160,289.10, 221,129.46 and 96,590.70 is: 133,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,289.10 : 221,129.46 = 96,590.70 : x
  2. Step 2: Convert to fraction form
    160,289.10/221,129.46 = 96,590.70/x
  3. Step 3: Cross multiply
    160,289.10x = 221,129.46 × 96,590.70
  4. Step 4: Simplify right side
    160,289.10x = 21,359,049,332.02
  5. Step 5: Solve for x
    x = 21,359,049,332.02/160,289.10
  6. Step 6: Final answer
    x = 133,253.29

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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.