Home / 164,904.70-247,065.45-139,827.10

Finding the Fourth Proportional to 164,904.70, 247,065.45 and 139,827.10

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Solution

The fourth proportional to 164,904.70, 247,065.45 and 139,827.10 is: 209,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,904.70 : 247,065.45 = 139,827.10 : x
  2. Step 2: Convert to fraction form
    164,904.70/247,065.45 = 139,827.10/x
  3. Step 3: Cross multiply
    164,904.70x = 247,065.45 × 139,827.10
  4. Step 4: Simplify right side
    164,904.70x = 34,546,445,383.70
  5. Step 5: Solve for x
    x = 34,546,445,383.70/164,904.70
  6. Step 6: Final answer
    x = 209,493.39

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1.5x scale

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.