Home / 128,856.60-193,325.40-62,298.90

Finding the Fourth Proportional to 128,856.60, 193,325.40 and 62,298.90

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Solution

The fourth proportional to 128,856.60, 193,325.40 and 62,298.90 is: 93,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,856.60 : 193,325.40 = 62,298.90 : x
  2. Step 2: Convert to fraction form
    128,856.60/193,325.40 = 62,298.90/x
  3. Step 3: Cross multiply
    128,856.60x = 193,325.40 × 62,298.90
  4. Step 4: Simplify right side
    128,856.60x = 12,043,959,762.06
  5. Step 5: Solve for x
    x = 12,043,959,762.06/128,856.60
  6. Step 6: Final answer
    x = 93,467.93

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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.