Home / 103,058.49-142,188.44-57,730.35

Finding the Fourth Proportional to 103,058.49, 142,188.44 and 57,730.35

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Solution

The fourth proportional to 103,058.49, 142,188.44 and 57,730.35 is: 79,649.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,058.49 : 142,188.44 = 57,730.35 : x
  2. Step 2: Convert to fraction form
    103,058.49/142,188.44 = 57,730.35/x
  3. Step 3: Cross multiply
    103,058.49x = 142,188.44 × 57,730.35
  4. Step 4: Simplify right side
    103,058.49x = 8,208,588,118.50
  5. Step 5: Solve for x
    x = 8,208,588,118.50/103,058.49
  6. Step 6: Final answer
    x = 79,649.80

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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.