Home / 116,640.50-160,913.18-71,320.37

Finding the Fourth Proportional to 116,640.50, 160,913.18 and 71,320.37

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Solution

The fourth proportional to 116,640.50, 160,913.18 and 71,320.37 is: 98,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,640.50 : 160,913.18 = 71,320.37 : x
  2. Step 2: Convert to fraction form
    116,640.50/160,913.18 = 71,320.37/x
  3. Step 3: Cross multiply
    116,640.50x = 160,913.18 × 71,320.37
  4. Step 4: Simplify right side
    116,640.50x = 11,476,386,909.21
  5. Step 5: Solve for x
    x = 11,476,386,909.21/116,640.50
  6. Step 6: Final answer
    x = 98,391.10

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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.