Home / 133,307.51-183,965.58-72,877.05

Finding the Fourth Proportional to 133,307.51, 183,965.58 and 72,877.05

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Solution

The fourth proportional to 133,307.51, 183,965.58 and 72,877.05 is: 100,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,307.51 : 183,965.58 = 72,877.05 : x
  2. Step 2: Convert to fraction form
    133,307.51/183,965.58 = 72,877.05/x
  3. Step 3: Cross multiply
    133,307.51x = 183,965.58 × 72,877.05
  4. Step 4: Simplify right side
    133,307.51x = 13,406,868,771.94
  5. Step 5: Solve for x
    x = 13,406,868,771.94/133,307.51
  6. Step 6: Final answer
    x = 100,571.00

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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.