Home / 139,319.02-192,319.10-94,058.31

Finding the Fourth Proportional to 139,319.02, 192,319.10 and 94,058.31

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Solution

The fourth proportional to 139,319.02, 192,319.10 and 94,058.31 is: 129,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,319.02 : 192,319.10 = 94,058.31 : x
  2. Step 2: Convert to fraction form
    139,319.02/192,319.10 = 94,058.31/x
  3. Step 3: Cross multiply
    139,319.02x = 192,319.10 × 94,058.31
  4. Step 4: Simplify right side
    139,319.02x = 18,089,209,964.52
  5. Step 5: Solve for x
    x = 18,089,209,964.52/139,319.02
  6. Step 6: Final answer
    x = 129,840.20

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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.