Home / 102,008.00-140,787.75-84,985.25

Finding the Fourth Proportional to 102,008.00, 140,787.75 and 84,985.25

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Solution

The fourth proportional to 102,008.00, 140,787.75 and 84,985.25 is: 117,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,008.00 : 140,787.75 = 84,985.25 : x
  2. Step 2: Convert to fraction form
    102,008.00/140,787.75 = 84,985.25/x
  3. Step 3: Cross multiply
    102,008.00x = 140,787.75 × 84,985.25
  4. Step 4: Simplify right side
    102,008.00x = 11,964,881,426.75
  5. Step 5: Solve for x
    x = 11,964,881,426.75/102,008.00
  6. Step 6: Final answer
    x = 117,293.57

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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.