Home / 139,261.02-192,180.63-75,598.86

Finding the Fourth Proportional to 139,261.02, 192,180.63 and 75,598.86

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Solution

The fourth proportional to 139,261.02, 192,180.63 and 75,598.86 is: 104,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,261.02 : 192,180.63 = 75,598.86 : x
  2. Step 2: Convert to fraction form
    139,261.02/192,180.63 = 75,598.86/x
  3. Step 3: Cross multiply
    139,261.02x = 192,180.63 × 75,598.86
  4. Step 4: Simplify right side
    139,261.02x = 14,528,636,542.08
  5. Step 5: Solve for x
    x = 14,528,636,542.08/139,261.02
  6. Step 6: Final answer
    x = 104,326.66

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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.