Home / 92,693.16-139,045.41-26,139.11

Finding the Fourth Proportional to 92,693.16, 139,045.41 and 26,139.11

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Solution

The fourth proportional to 92,693.16, 139,045.41 and 26,139.11 is: 39,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,693.16 : 139,045.41 = 26,139.11 : x
  2. Step 2: Convert to fraction form
    92,693.16/139,045.41 = 26,139.11/x
  3. Step 3: Cross multiply
    92,693.16x = 139,045.41 × 26,139.11
  4. Step 4: Simplify right side
    92,693.16x = 3,634,522,571.76
  5. Step 5: Solve for x
    x = 3,634,522,571.76/92,693.16
  6. Step 6: Final answer
    x = 39,210.26

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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.