Home / 139,026.35-191,856.60-75,364.29

Finding the Fourth Proportional to 139,026.35, 191,856.60 and 75,364.29

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Solution

The fourth proportional to 139,026.35, 191,856.60 and 75,364.29 is: 104,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,026.35 : 191,856.60 = 75,364.29 : x
  2. Step 2: Convert to fraction form
    139,026.35/191,856.60 = 75,364.29/x
  3. Step 3: Cross multiply
    139,026.35x = 191,856.60 × 75,364.29
  4. Step 4: Simplify right side
    139,026.35x = 14,459,136,440.81
  5. Step 5: Solve for x
    x = 14,459,136,440.81/139,026.35
  6. Step 6: Final answer
    x = 104,002.85

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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.