Home / 143,156.70-214,759.35-43,316.10

Finding the Fourth Proportional to 143,156.70, 214,759.35 and 43,316.10

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Solution

The fourth proportional to 143,156.70, 214,759.35 and 43,316.10 is: 64,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,156.70 : 214,759.35 = 43,316.10 : x
  2. Step 2: Convert to fraction form
    143,156.70/214,759.35 = 43,316.10/x
  3. Step 3: Cross multiply
    143,156.70x = 214,759.35 × 43,316.10
  4. Step 4: Simplify right side
    143,156.70x = 9,302,537,480.54
  5. Step 5: Solve for x
    x = 9,302,537,480.54/143,156.70
  6. Step 6: Final answer
    x = 64,981.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.