Home / 173,721.20-239,741.12-102,100.20

Finding the Fourth Proportional to 173,721.20, 239,741.12 and 102,100.20

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Solution

The fourth proportional to 173,721.20, 239,741.12 and 102,100.20 is: 140,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,721.20 : 239,741.12 = 102,100.20 : x
  2. Step 2: Convert to fraction form
    173,721.20/239,741.12 = 102,100.20/x
  3. Step 3: Cross multiply
    173,721.20x = 239,741.12 × 102,100.20
  4. Step 4: Simplify right side
    173,721.20x = 24,477,616,300.22
  5. Step 5: Solve for x
    x = 24,477,616,300.22/173,721.20
  6. Step 6: Final answer
    x = 140,901.72

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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.