Home / 103,460.74-142,771.88-58,140.62

Finding the Fourth Proportional to 103,460.74, 142,771.88 and 58,140.62

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Solution

The fourth proportional to 103,460.74, 142,771.88 and 58,140.62 is: 80,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,460.74 : 142,771.88 = 58,140.62 : x
  2. Step 2: Convert to fraction form
    103,460.74/142,771.88 = 58,140.62/x
  3. Step 3: Cross multiply
    103,460.74x = 142,771.88 × 58,140.62
  4. Step 4: Simplify right side
    103,460.74x = 8,300,845,621.77
  5. Step 5: Solve for x
    x = 8,300,845,621.77/103,460.74
  6. Step 6: Final answer
    x = 80,231.84

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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.