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Finding the Fourth Proportional to 145,400.02, 200,662.59 and 88,822.06

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Solution

The fourth proportional to 145,400.02, 200,662.59 and 88,822.06 is: 122,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,400.02 : 200,662.59 = 88,822.06 : x
  2. Step 2: Convert to fraction form
    145,400.02/200,662.59 = 88,822.06/x
  3. Step 3: Cross multiply
    145,400.02x = 200,662.59 × 88,822.06
  4. Step 4: Simplify right side
    145,400.02x = 17,823,264,608.74
  5. Step 5: Solve for x
    x = 17,823,264,608.74/145,400.02
  6. Step 6: Final answer
    x = 122,580.90

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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.