Home / 148,238.16-204,571.08-81,165.84

Finding the Fourth Proportional to 148,238.16, 204,571.08 and 81,165.84

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Solution

The fourth proportional to 148,238.16, 204,571.08 and 81,165.84 is: 112,010.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.16 : 204,571.08 = 81,165.84 : x
  2. Step 2: Convert to fraction form
    148,238.16/204,571.08 = 81,165.84/x
  3. Step 3: Cross multiply
    148,238.16x = 204,571.08 × 81,165.84
  4. Step 4: Simplify right side
    148,238.16x = 16,604,183,547.91
  5. Step 5: Solve for x
    x = 16,604,183,547.91/148,238.16
  6. Step 6: Final answer
    x = 112,010.18

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1.5x scale

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.