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Finding the Fourth Proportional to 157,058.49, 235,451.65 and 63,503.49

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Solution

The fourth proportional to 157,058.49, 235,451.65 and 63,503.49 is: 95,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,058.49 : 235,451.65 = 63,503.49 : x
  2. Step 2: Convert to fraction form
    157,058.49/235,451.65 = 63,503.49/x
  3. Step 3: Cross multiply
    157,058.49x = 235,451.65 × 63,503.49
  4. Step 4: Simplify right side
    157,058.49x = 14,952,001,501.26
  5. Step 5: Solve for x
    x = 14,952,001,501.26/157,058.49
  6. Step 6: Final answer
    x = 95,200.21

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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.