Home / 162,242.15-223,955.75-122,072.68

Finding the Fourth Proportional to 162,242.15, 223,955.75 and 122,072.68

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Solution

The fourth proportional to 162,242.15, 223,955.75 and 122,072.68 is: 168,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,242.15 : 223,955.75 = 122,072.68 : x
  2. Step 2: Convert to fraction form
    162,242.15/223,955.75 = 122,072.68/x
  3. Step 3: Cross multiply
    162,242.15x = 223,955.75 × 122,072.68
  4. Step 4: Simplify right side
    162,242.15x = 27,338,878,603.91
  5. Step 5: Solve for x
    x = 27,338,878,603.91/162,242.15
  6. Step 6: Final answer
    x = 168,506.63

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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.