Home / 90,907.28-136,276.73-46,435.95

Finding the Fourth Proportional to 90,907.28, 136,276.73 and 46,435.95

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Solution

The fourth proportional to 90,907.28, 136,276.73 and 46,435.95 is: 69,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,907.28 : 136,276.73 = 46,435.95 : x
  2. Step 2: Convert to fraction form
    90,907.28/136,276.73 = 46,435.95/x
  3. Step 3: Cross multiply
    90,907.28x = 136,276.73 × 46,435.95
  4. Step 4: Simplify right side
    90,907.28x = 6,328,139,362.40
  5. Step 5: Solve for x
    x = 6,328,139,362.40/90,907.28
  6. Step 6: Final answer
    x = 69,610.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.