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Finding the Fourth Proportional to 157,563, 236,344.50 and 46,755

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Solution

The fourth proportional to 157,563, 236,344.50 and 46,755 is: 70,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,563 : 236,344.50 = 46,755 : x
  2. Step 2: Convert to fraction form
    157,563/236,344.50 = 46,755/x
  3. Step 3: Cross multiply
    157,563x = 236,344.50 × 46,755
  4. Step 4: Simplify right side
    157,563x = 11,050,287,097.50
  5. Step 5: Solve for x
    x = 11,050,287,097.50/157,563
  6. Step 6: Final answer
    x = 70,132.50

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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.