Home / 162,720.60-224,528.52-91,103.64

Finding the Fourth Proportional to 162,720.60, 224,528.52 and 91,103.64

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Solution

The fourth proportional to 162,720.60, 224,528.52 and 91,103.64 is: 125,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,720.60 : 224,528.52 = 91,103.64 : x
  2. Step 2: Convert to fraction form
    162,720.60/224,528.52 = 91,103.64/x
  3. Step 3: Cross multiply
    162,720.60x = 224,528.52 × 91,103.64
  4. Step 4: Simplify right side
    162,720.60x = 20,455,365,455.81
  5. Step 5: Solve for x
    x = 20,455,365,455.81/162,720.60
  6. Step 6: Final answer
    x = 125,708.52

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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.