Home / 142,744.48-214,127.34-42,896.68

Finding the Fourth Proportional to 142,744.48, 214,127.34 and 42,896.68

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Solution

The fourth proportional to 142,744.48, 214,127.34 and 42,896.68 is: 64,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,744.48 : 214,127.34 = 42,896.68 : x
  2. Step 2: Convert to fraction form
    142,744.48/214,127.34 = 42,896.68/x
  3. Step 3: Cross multiply
    142,744.48x = 214,127.34 × 42,896.68
  4. Step 4: Simplify right side
    142,744.48x = 9,185,351,983.23
  5. Step 5: Solve for x
    x = 9,185,351,983.23/142,744.48
  6. Step 6: Final answer
    x = 64,348.21

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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.