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Finding the Fourth Proportional to 163,458, 245,187 and 52,650

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Solution

The fourth proportional to 163,458, 245,187 and 52,650 is: 78,975

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,458 : 245,187 = 52,650 : x
  2. Step 2: Convert to fraction form
    163,458/245,187 = 52,650/x
  3. Step 3: Cross multiply
    163,458x = 245,187 × 52,650
  4. Step 4: Simplify right side
    163,458x = 12,909,095,550
  5. Step 5: Solve for x
    x = 12,909,095,550/163,458
  6. Step 6: Final answer
    x = 78,975

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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.