Home / 114,926.30-172,389.45-31,820.30

Finding the Fourth Proportional to 114,926.30, 172,389.45 and 31,820.30

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Solution

The fourth proportional to 114,926.30, 172,389.45 and 31,820.30 is: 47,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,926.30 : 172,389.45 = 31,820.30 : x
  2. Step 2: Convert to fraction form
    114,926.30/172,389.45 = 31,820.30/x
  3. Step 3: Cross multiply
    114,926.30x = 172,389.45 × 31,820.30
  4. Step 4: Simplify right side
    114,926.30x = 5,485,484,015.84
  5. Step 5: Solve for x
    x = 5,485,484,015.84/114,926.30
  6. Step 6: Final answer
    x = 47,730.45

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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.