Home / 107,004.61-147,666.07-61,682.21

Finding the Fourth Proportional to 107,004.61, 147,666.07 and 61,682.21

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Solution

The fourth proportional to 107,004.61, 147,666.07 and 61,682.21 is: 85,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,004.61 : 147,666.07 = 61,682.21 : x
  2. Step 2: Convert to fraction form
    107,004.61/147,666.07 = 61,682.21/x
  3. Step 3: Cross multiply
    107,004.61x = 147,666.07 × 61,682.21
  4. Step 4: Simplify right side
    107,004.61x = 9,108,369,539.61
  5. Step 5: Solve for x
    x = 9,108,369,539.61/107,004.61
  6. Step 6: Final answer
    x = 85,121.28

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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.