Home / 133,292.07-183,942.57-72,862.77

Finding the Fourth Proportional to 133,292.07, 183,942.57 and 72,862.77

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Solution

The fourth proportional to 133,292.07, 183,942.57 and 72,862.77 is: 100,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,292.07 : 183,942.57 = 72,862.77 : x
  2. Step 2: Convert to fraction form
    133,292.07/183,942.57 = 72,862.77/x
  3. Step 3: Cross multiply
    133,292.07x = 183,942.57 × 72,862.77
  4. Step 4: Simplify right side
    133,292.07x = 13,402,565,171.12
  5. Step 5: Solve for x
    x = 13,402,565,171.12/133,292.07
  6. Step 6: Final answer
    x = 100,550.36

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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.