Home / 156,143.84-234,072.24-56,279.60

Finding the Fourth Proportional to 156,143.84, 234,072.24 and 56,279.60

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Solution

The fourth proportional to 156,143.84, 234,072.24 and 56,279.60 is: 84,367.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,143.84 : 234,072.24 = 56,279.60 : x
  2. Step 2: Convert to fraction form
    156,143.84/234,072.24 = 56,279.60/x
  3. Step 3: Cross multiply
    156,143.84x = 234,072.24 × 56,279.60
  4. Step 4: Simplify right side
    156,143.84x = 13,173,492,038.30
  5. Step 5: Solve for x
    x = 13,173,492,038.30/156,143.84
  6. Step 6: Final answer
    x = 84,367.67

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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.