Home / 162,921.60-224,758.80-99,255.60

Finding the Fourth Proportional to 162,921.60, 224,758.80 and 99,255.60

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Solution

The fourth proportional to 162,921.60, 224,758.80 and 99,255.60 is: 136,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,921.60 : 224,758.80 = 99,255.60 : x
  2. Step 2: Convert to fraction form
    162,921.60/224,758.80 = 99,255.60/x
  3. Step 3: Cross multiply
    162,921.60x = 224,758.80 × 99,255.60
  4. Step 4: Simplify right side
    162,921.60x = 22,308,569,549.28
  5. Step 5: Solve for x
    x = 22,308,569,549.28/162,921.60
  6. Step 6: Final answer
    x = 136,928.25

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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.