Home / 162,738.72-224,569.44-91,106.64

Finding the Fourth Proportional to 162,738.72, 224,569.44 and 91,106.64

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Solution

The fourth proportional to 162,738.72, 224,569.44 and 91,106.64 is: 125,721.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,738.72 : 224,569.44 = 91,106.64 : x
  2. Step 2: Convert to fraction form
    162,738.72/224,569.44 = 91,106.64/x
  3. Step 3: Cross multiply
    162,738.72x = 224,569.44 × 91,106.64
  4. Step 4: Simplify right side
    162,738.72x = 20,459,767,125.08
  5. Step 5: Solve for x
    x = 20,459,767,125.08/162,738.72
  6. Step 6: Final answer
    x = 125,721.57

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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.