Home / 133,051.63-183,611.25-90,684.17

Finding the Fourth Proportional to 133,051.63, 183,611.25 and 90,684.17

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Solution

The fourth proportional to 133,051.63, 183,611.25 and 90,684.17 is: 125,144.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.63 : 183,611.25 = 90,684.17 : x
  2. Step 2: Convert to fraction form
    133,051.63/183,611.25 = 90,684.17/x
  3. Step 3: Cross multiply
    133,051.63x = 183,611.25 × 90,684.17
  4. Step 4: Simplify right side
    133,051.63x = 16,650,633,808.91
  5. Step 5: Solve for x
    x = 16,650,633,808.91/133,051.63
  6. Step 6: Final answer
    x = 125,144.16

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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.