Home / 170,389.88-235,140.54-98,775.32

Finding the Fourth Proportional to 170,389.88, 235,140.54 and 98,775.32

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Solution

The fourth proportional to 170,389.88, 235,140.54 and 98,775.32 is: 136,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,389.88 : 235,140.54 = 98,775.32 : x
  2. Step 2: Convert to fraction form
    170,389.88/235,140.54 = 98,775.32/x
  3. Step 3: Cross multiply
    170,389.88x = 235,140.54 × 98,775.32
  4. Step 4: Simplify right side
    170,389.88x = 23,226,082,083.47
  5. Step 5: Solve for x
    x = 23,226,082,083.47/170,389.88
  6. Step 6: Final answer
    x = 136,311.39

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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.