Home / 148,126.14-204,406.23-81,045.18

Finding the Fourth Proportional to 148,126.14, 204,406.23 and 81,045.18

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Solution

The fourth proportional to 148,126.14, 204,406.23 and 81,045.18 is: 111,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,126.14 : 204,406.23 = 81,045.18 : x
  2. Step 2: Convert to fraction form
    148,126.14/204,406.23 = 81,045.18/x
  3. Step 3: Cross multiply
    148,126.14x = 204,406.23 × 81,045.18
  4. Step 4: Simplify right side
    148,126.14x = 16,566,139,703.47
  5. Step 5: Solve for x
    x = 16,566,139,703.47/148,126.14
  6. Step 6: Final answer
    x = 111,838.06

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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.