Home / 158,899.08-219,281.67-87,277.26

Finding the Fourth Proportional to 158,899.08, 219,281.67 and 87,277.26

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Solution

The fourth proportional to 158,899.08, 219,281.67 and 87,277.26 is: 120,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,899.08 : 219,281.67 = 87,277.26 : x
  2. Step 2: Convert to fraction form
    158,899.08/219,281.67 = 87,277.26/x
  3. Step 3: Cross multiply
    158,899.08x = 219,281.67 × 87,277.26
  4. Step 4: Simplify right side
    158,899.08x = 19,138,303,325.82
  5. Step 5: Solve for x
    x = 19,138,303,325.82/158,899.08
  6. Step 6: Final answer
    x = 120,443.13

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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.