Home / 115,483.37-159,332.19-67,075.95

Finding the Fourth Proportional to 115,483.37, 159,332.19 and 67,075.95

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Solution

The fourth proportional to 115,483.37, 159,332.19 and 67,075.95 is: 92,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,483.37 : 159,332.19 = 67,075.95 : x
  2. Step 2: Convert to fraction form
    115,483.37/159,332.19 = 67,075.95/x
  3. Step 3: Cross multiply
    115,483.37x = 159,332.19 × 67,075.95
  4. Step 4: Simplify right side
    115,483.37x = 10,687,358,009.83
  5. Step 5: Solve for x
    x = 10,687,358,009.83/115,483.37
  6. Step 6: Final answer
    x = 92,544.57

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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.