Home / 152,638.36-228,880.69-89,473.55

Finding the Fourth Proportional to 152,638.36, 228,880.69 and 89,473.55

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Solution

The fourth proportional to 152,638.36, 228,880.69 and 89,473.55 is: 134,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,638.36 : 228,880.69 = 89,473.55 : x
  2. Step 2: Convert to fraction form
    152,638.36/228,880.69 = 89,473.55/x
  3. Step 3: Cross multiply
    152,638.36x = 228,880.69 × 89,473.55
  4. Step 4: Simplify right side
    152,638.36x = 20,478,766,492.66
  5. Step 5: Solve for x
    x = 20,478,766,492.66/152,638.36
  6. Step 6: Final answer
    x = 134,165.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.