Home / 179,647.40-247,901.94-99,075.50

Finding the Fourth Proportional to 179,647.40, 247,901.94 and 99,075.50

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Solution

The fourth proportional to 179,647.40, 247,901.94 and 99,075.50 is: 136,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,647.40 : 247,901.94 = 99,075.50 : x
  2. Step 2: Convert to fraction form
    179,647.40/247,901.94 = 99,075.50/x
  3. Step 3: Cross multiply
    179,647.40x = 247,901.94 × 99,075.50
  4. Step 4: Simplify right side
    179,647.40x = 24,561,008,656.47
  5. Step 5: Solve for x
    x = 24,561,008,656.47/179,647.40
  6. Step 6: Final answer
    x = 136,717.86

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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.