Home / 121,985.93-182,838.49-47,072.94

Finding the Fourth Proportional to 121,985.93, 182,838.49 and 47,072.94

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Solution

The fourth proportional to 121,985.93, 182,838.49 and 47,072.94 is: 70,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,985.93 : 182,838.49 = 47,072.94 : x
  2. Step 2: Convert to fraction form
    121,985.93/182,838.49 = 47,072.94/x
  3. Step 3: Cross multiply
    121,985.93x = 182,838.49 × 47,072.94
  4. Step 4: Simplify right side
    121,985.93x = 8,606,745,269.46
  5. Step 5: Solve for x
    x = 8,606,745,269.46/121,985.93
  6. Step 6: Final answer
    x = 70,555.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.