Home / 210,005.60-314,881.73-83,665.34

Finding the Fourth Proportional to 210,005.60, 314,881.73 and 83,665.34

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Solution

The fourth proportional to 210,005.60, 314,881.73 and 83,665.34 is: 125,447.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.60 : 314,881.73 = 83,665.34 : x
  2. Step 2: Convert to fraction form
    210,005.60/314,881.73 = 83,665.34/x
  3. Step 3: Cross multiply
    210,005.60x = 314,881.73 × 83,665.34
  4. Step 4: Simplify right side
    210,005.60x = 26,344,685,007.50
  5. Step 5: Solve for x
    x = 26,344,685,007.50/210,005.60
  6. Step 6: Final answer
    x = 125,447.54

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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.