Home / 115,277.52-159,075.72-64,297.74

Finding the Fourth Proportional to 115,277.52, 159,075.72 and 64,297.74

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Solution

The fourth proportional to 115,277.52, 159,075.72 and 64,297.74 is: 88,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.52 : 159,075.72 = 64,297.74 : x
  2. Step 2: Convert to fraction form
    115,277.52/159,075.72 = 64,297.74/x
  3. Step 3: Cross multiply
    115,277.52x = 159,075.72 × 64,297.74
  4. Step 4: Simplify right side
    115,277.52x = 10,228,209,284.87
  5. Step 5: Solve for x
    x = 10,228,209,284.87/115,277.52
  6. Step 6: Final answer
    x = 88,726.83

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1.5x scale

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.