Home / 139,323.02-192,264.03-75,661.26

Finding the Fourth Proportional to 139,323.02, 192,264.03 and 75,661.26

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Solution

The fourth proportional to 139,323.02, 192,264.03 and 75,661.26 is: 104,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,323.02 : 192,264.03 = 75,661.26 : x
  2. Step 2: Convert to fraction form
    139,323.02/192,264.03 = 75,661.26/x
  3. Step 3: Cross multiply
    139,323.02x = 192,264.03 × 75,661.26
  4. Step 4: Simplify right side
    139,323.02x = 14,546,938,762.48
  5. Step 5: Solve for x
    x = 14,546,938,762.48/139,323.02
  6. Step 6: Final answer
    x = 104,411.60

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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.