Home / 155,994.29-215,271.33-84,374.14

Finding the Fourth Proportional to 155,994.29, 215,271.33 and 84,374.14

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Solution

The fourth proportional to 155,994.29, 215,271.33 and 84,374.14 is: 116,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,994.29 : 215,271.33 = 84,374.14 : x
  2. Step 2: Convert to fraction form
    155,994.29/215,271.33 = 84,374.14/x
  3. Step 3: Cross multiply
    155,994.29x = 215,271.33 × 84,374.14
  4. Step 4: Simplify right side
    155,994.29x = 18,163,333,335.41
  5. Step 5: Solve for x
    x = 18,163,333,335.41/155,994.29
  6. Step 6: Final answer
    x = 116,435.89

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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.