Home / 129,963.02-179,328.75-73,373.18

Finding the Fourth Proportional to 129,963.02, 179,328.75 and 73,373.18

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Solution

The fourth proportional to 129,963.02, 179,328.75 and 73,373.18 is: 101,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,963.02 : 179,328.75 = 73,373.18 : x
  2. Step 2: Convert to fraction form
    129,963.02/179,328.75 = 73,373.18/x
  3. Step 3: Cross multiply
    129,963.02x = 179,328.75 × 73,373.18
  4. Step 4: Simplify right side
    129,963.02x = 13,157,920,652.93
  5. Step 5: Solve for x
    x = 13,157,920,652.93/129,963.02
  6. Step 6: Final answer
    x = 101,243.57

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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.