Home / 272,632.50-409,032.15-139,606.89

Finding the Fourth Proportional to 272,632.50, 409,032.15 and 139,606.89

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Solution

The fourth proportional to 272,632.50, 409,032.15 and 139,606.89 is: 209,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,632.50 : 409,032.15 = 139,606.89 : x
  2. Step 2: Convert to fraction form
    272,632.50/409,032.15 = 139,606.89/x
  3. Step 3: Cross multiply
    272,632.50x = 409,032.15 × 139,606.89
  4. Step 4: Simplify right side
    272,632.50x = 57,103,706,371.51
  5. Step 5: Solve for x
    x = 57,103,706,371.51/272,632.50
  6. Step 6: Final answer
    x = 209,453.04

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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.