Home / 136,155.60-204,313.32-57,263.76

Finding the Fourth Proportional to 136,155.60, 204,313.32 and 57,263.76

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Solution

The fourth proportional to 136,155.60, 204,313.32 and 57,263.76 is: 85,929.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,155.60 : 204,313.32 = 57,263.76 : x
  2. Step 2: Convert to fraction form
    136,155.60/204,313.32 = 57,263.76/x
  3. Step 3: Cross multiply
    136,155.60x = 204,313.32 × 57,263.76
  4. Step 4: Simplify right side
    136,155.60x = 11,699,748,921.28
  5. Step 5: Solve for x
    x = 11,699,748,921.28/136,155.60
  6. Step 6: Final answer
    x = 85,929.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.