Home / 155,534.10-214,580.93-101,849.73

Finding the Fourth Proportional to 155,534.10, 214,580.93 and 101,849.73

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Solution

The fourth proportional to 155,534.10, 214,580.93 and 101,849.73 is: 140,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,534.10 : 214,580.93 = 101,849.73 : x
  2. Step 2: Convert to fraction form
    155,534.10/214,580.93 = 101,849.73/x
  3. Step 3: Cross multiply
    155,534.10x = 214,580.93 × 101,849.73
  4. Step 4: Simplify right side
    155,534.10x = 21,855,009,274.40
  5. Step 5: Solve for x
    x = 21,855,009,274.40/155,534.10
  6. Step 6: Final answer
    x = 140,515.87

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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.