Home / 115,271.84-159,075.82-64,287.80

Finding the Fourth Proportional to 115,271.84, 159,075.82 and 64,287.80

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Solution

The fourth proportional to 115,271.84, 159,075.82 and 64,287.80 is: 88,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.84 : 159,075.82 = 64,287.80 : x
  2. Step 2: Convert to fraction form
    115,271.84/159,075.82 = 64,287.80/x
  3. Step 3: Cross multiply
    115,271.84x = 159,075.82 × 64,287.80
  4. Step 4: Simplify right side
    115,271.84x = 10,226,634,501.00
  5. Step 5: Solve for x
    x = 10,226,634,501.00/115,271.84
  6. Step 6: Final answer
    x = 88,717.54

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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.