Home / 144,315.30-199,026.15-90,605.34

Finding the Fourth Proportional to 144,315.30, 199,026.15 and 90,605.34

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Solution

The fourth proportional to 144,315.30, 199,026.15 and 90,605.34 is: 124,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,315.30 : 199,026.15 = 90,605.34 : x
  2. Step 2: Convert to fraction form
    144,315.30/199,026.15 = 90,605.34/x
  3. Step 3: Cross multiply
    144,315.30x = 199,026.15 × 90,605.34
  4. Step 4: Simplify right side
    144,315.30x = 18,032,831,989.64
  5. Step 5: Solve for x
    x = 18,032,831,989.64/144,315.30
  6. Step 6: Final answer
    x = 124,954.40

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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.