Home / 162,840.33-224,857.31-122,483.79

Finding the Fourth Proportional to 162,840.33, 224,857.31 and 122,483.79

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Solution

The fourth proportional to 162,840.33, 224,857.31 and 122,483.79 is: 169,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,840.33 : 224,857.31 = 122,483.79 : x
  2. Step 2: Convert to fraction form
    162,840.33/224,857.31 = 122,483.79/x
  3. Step 3: Cross multiply
    162,840.33x = 224,857.31 × 122,483.79
  4. Step 4: Simplify right side
    162,840.33x = 27,541,374,925.59
  5. Step 5: Solve for x
    x = 27,541,374,925.59/162,840.33
  6. Step 6: Final answer
    x = 169,131.17

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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.