Home / 133,298.07-183,950.85-72,868.77

Finding the Fourth Proportional to 133,298.07, 183,950.85 and 72,868.77

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Solution

The fourth proportional to 133,298.07, 183,950.85 and 72,868.77 is: 100,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,298.07 : 183,950.85 = 72,868.77 : x
  2. Step 2: Convert to fraction form
    133,298.07/183,950.85 = 72,868.77/x
  3. Step 3: Cross multiply
    133,298.07x = 183,950.85 × 72,868.77
  4. Step 4: Simplify right side
    133,298.07x = 13,404,272,179.95
  5. Step 5: Solve for x
    x = 13,404,272,179.95/133,298.07
  6. Step 6: Final answer
    x = 100,558.64

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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.