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Finding the Fourth Proportional to 164,328.96, 246,428.64 and 89,510.88

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Solution

The fourth proportional to 164,328.96, 246,428.64 and 89,510.88 is: 134,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,328.96 : 246,428.64 = 89,510.88 : x
  2. Step 2: Convert to fraction form
    164,328.96/246,428.64 = 89,510.88/x
  3. Step 3: Cross multiply
    164,328.96x = 246,428.64 × 89,510.88
  4. Step 4: Simplify right side
    164,328.96x = 22,058,044,423.60
  5. Step 5: Solve for x
    x = 22,058,044,423.60/164,328.96
  6. Step 6: Final answer
    x = 134,231.02

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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.