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Finding the Fourth Proportional to 145,735.60, 202,032.29 and 137,753.08

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Solution

The fourth proportional to 145,735.60, 202,032.29 and 137,753.08 is: 190,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,735.60 : 202,032.29 = 137,753.08 : x
  2. Step 2: Convert to fraction form
    145,735.60/202,032.29 = 137,753.08/x
  3. Step 3: Cross multiply
    145,735.60x = 202,032.29 × 137,753.08
  4. Step 4: Simplify right side
    145,735.60x = 27,830,570,206.95
  5. Step 5: Solve for x
    x = 27,830,570,206.95/145,735.60
  6. Step 6: Final answer
    x = 190,966.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.