Home / 133,294.40-183,946.63-72,865.76

Finding the Fourth Proportional to 133,294.40, 183,946.63 and 72,865.76

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Solution

The fourth proportional to 133,294.40, 183,946.63 and 72,865.76 is: 100,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,294.40 : 183,946.63 = 72,865.76 : x
  2. Step 2: Convert to fraction form
    133,294.40/183,946.63 = 72,865.76/x
  3. Step 3: Cross multiply
    133,294.40x = 183,946.63 × 72,865.76
  4. Step 4: Simplify right side
    133,294.40x = 13,403,410,994.39
  5. Step 5: Solve for x
    x = 13,403,410,994.39/133,294.40
  6. Step 6: Final answer
    x = 100,554.95

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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.