Home / 105,485.18-145,573.55-60,170.54

Finding the Fourth Proportional to 105,485.18, 145,573.55 and 60,170.54

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Solution

The fourth proportional to 105,485.18, 145,573.55 and 60,170.54 is: 83,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,485.18 : 145,573.55 = 60,170.54 : x
  2. Step 2: Convert to fraction form
    105,485.18/145,573.55 = 60,170.54/x
  3. Step 3: Cross multiply
    105,485.18x = 145,573.55 × 60,170.54
  4. Step 4: Simplify right side
    105,485.18x = 8,759,238,084.50
  5. Step 5: Solve for x
    x = 8,759,238,084.50/105,485.18
  6. Step 6: Final answer
    x = 83,037.62

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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.