Home / 145,429.47-200,644.43-118,525.73

Finding the Fourth Proportional to 145,429.47, 200,644.43 and 118,525.73

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Solution

The fourth proportional to 145,429.47, 200,644.43 and 118,525.73 is: 163,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,429.47 : 200,644.43 = 118,525.73 : x
  2. Step 2: Convert to fraction form
    145,429.47/200,644.43 = 118,525.73/x
  3. Step 3: Cross multiply
    145,429.47x = 200,644.43 × 118,525.73
  4. Step 4: Simplify right side
    145,429.47x = 23,781,525,940.33
  5. Step 5: Solve for x
    x = 23,781,525,940.33/145,429.47
  6. Step 6: Final answer
    x = 163,526.18

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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.