Home / 145,435.91-218,153.84-45,596.61

Finding the Fourth Proportional to 145,435.91, 218,153.84 and 45,596.61

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Solution

The fourth proportional to 145,435.91, 218,153.84 and 45,596.61 is: 68,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,435.91 : 218,153.84 = 45,596.61 : x
  2. Step 2: Convert to fraction form
    145,435.91/218,153.84 = 45,596.61/x
  3. Step 3: Cross multiply
    145,435.91x = 218,153.84 × 45,596.61
  4. Step 4: Simplify right side
    145,435.91x = 9,947,075,334.50
  5. Step 5: Solve for x
    x = 9,947,075,334.50/145,435.91
  6. Step 6: Final answer
    x = 68,394.91

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1.5x scale

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.