Home / 155,355.06-214,183.52-101,547.58

Finding the Fourth Proportional to 155,355.06, 214,183.52 and 101,547.58

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Solution

The fourth proportional to 155,355.06, 214,183.52 and 101,547.58 is: 140,000.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,355.06 : 214,183.52 = 101,547.58 : x
  2. Step 2: Convert to fraction form
    155,355.06/214,183.52 = 101,547.58/x
  3. Step 3: Cross multiply
    155,355.06x = 214,183.52 × 101,547.58
  4. Step 4: Simplify right side
    155,355.06x = 21,749,818,131.88
  5. Step 5: Solve for x
    x = 21,749,818,131.88/155,355.06
  6. Step 6: Final answer
    x = 140,000.71

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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.