Home / 142,322.03-213,297.81-57,983.40

Finding the Fourth Proportional to 142,322.03, 213,297.81 and 57,983.40

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Solution

The fourth proportional to 142,322.03, 213,297.81 and 57,983.40 is: 86,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,322.03 : 213,297.81 = 57,983.40 : x
  2. Step 2: Convert to fraction form
    142,322.03/213,297.81 = 57,983.40/x
  3. Step 3: Cross multiply
    142,322.03x = 213,297.81 × 57,983.40
  4. Step 4: Simplify right side
    142,322.03x = 12,367,732,236.35
  5. Step 5: Solve for x
    x = 12,367,732,236.35/142,322.03
  6. Step 6: Final answer
    x = 86,899.64

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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.