Home / 105,630.24-145,773.74-60,315.60

Finding the Fourth Proportional to 105,630.24, 145,773.74 and 60,315.60

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Solution

The fourth proportional to 105,630.24, 145,773.74 and 60,315.60 is: 83,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,630.24 : 145,773.74 = 60,315.60 : x
  2. Step 2: Convert to fraction form
    105,630.24/145,773.74 = 60,315.60/x
  3. Step 3: Cross multiply
    105,630.24x = 145,773.74 × 60,315.60
  4. Step 4: Simplify right side
    105,630.24x = 8,792,430,592.34
  5. Step 5: Solve for x
    x = 8,792,430,592.34/105,630.24
  6. Step 6: Final answer
    x = 83,237.82

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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.