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Finding the Fourth Proportional to 145,662.57, 201,024.45 and 88,304.31

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Solution

The fourth proportional to 145,662.57, 201,024.45 and 88,304.31 is: 121,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,662.57 : 201,024.45 = 88,304.31 : x
  2. Step 2: Convert to fraction form
    145,662.57/201,024.45 = 88,304.31/x
  3. Step 3: Cross multiply
    145,662.57x = 201,024.45 × 88,304.31
  4. Step 4: Simplify right side
    145,662.57x = 17,751,323,903.74
  5. Step 5: Solve for x
    x = 17,751,323,903.74/145,662.57
  6. Step 6: Final answer
    x = 121,866.07

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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.