Home / 145,827.55-218,759.55-57,069.58

Finding the Fourth Proportional to 145,827.55, 218,759.55 and 57,069.58

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Solution

The fourth proportional to 145,827.55, 218,759.55 and 57,069.58 is: 85,611.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,827.55 : 218,759.55 = 57,069.58 : x
  2. Step 2: Convert to fraction form
    145,827.55/218,759.55 = 57,069.58/x
  3. Step 3: Cross multiply
    145,827.55x = 218,759.55 × 57,069.58
  4. Step 4: Simplify right side
    145,827.55x = 12,484,515,639.49
  5. Step 5: Solve for x
    x = 12,484,515,639.49/145,827.55
  6. Step 6: Final answer
    x = 85,611.50

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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.