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Finding the Fourth Proportional to 146,416.88, 202,055.43 and 79,348.88

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Solution

The fourth proportional to 146,416.88, 202,055.43 and 79,348.88 is: 109,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,416.88 : 202,055.43 = 79,348.88 : x
  2. Step 2: Convert to fraction form
    146,416.88/202,055.43 = 79,348.88/x
  3. Step 3: Cross multiply
    146,416.88x = 202,055.43 × 79,348.88
  4. Step 4: Simplify right side
    146,416.88x = 16,032,871,058.14
  5. Step 5: Solve for x
    x = 16,032,871,058.14/146,416.88
  6. Step 6: Final answer
    x = 109,501.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.