Home / 105,137.02-145,092.36-59,821.57

Finding the Fourth Proportional to 105,137.02, 145,092.36 and 59,821.57

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Solution

The fourth proportional to 105,137.02, 145,092.36 and 59,821.57 is: 82,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,137.02 : 145,092.36 = 59,821.57 : x
  2. Step 2: Convert to fraction form
    105,137.02/145,092.36 = 59,821.57/x
  3. Step 3: Cross multiply
    105,137.02x = 145,092.36 × 59,821.57
  4. Step 4: Simplify right side
    105,137.02x = 8,679,652,770.21
  5. Step 5: Solve for x
    x = 8,679,652,770.21/105,137.02
  6. Step 6: Final answer
    x = 82,555.63

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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.