Home / 164,920.20-247,428.90-52,616.40

Finding the Fourth Proportional to 164,920.20, 247,428.90 and 52,616.40

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Solution

The fourth proportional to 164,920.20, 247,428.90 and 52,616.40 is: 78,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,920.20 : 247,428.90 = 52,616.40 : x
  2. Step 2: Convert to fraction form
    164,920.20/247,428.90 = 52,616.40/x
  3. Step 3: Cross multiply
    164,920.20x = 247,428.90 × 52,616.40
  4. Step 4: Simplify right side
    164,920.20x = 13,018,817,973.96
  5. Step 5: Solve for x
    x = 13,018,817,973.96/164,920.20
  6. Step 6: Final answer
    x = 78,940.11

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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.