Home / 139,381.19-209,085.57-44,587.56

Finding the Fourth Proportional to 139,381.19, 209,085.57 and 44,587.56

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Solution

The fourth proportional to 139,381.19, 209,085.57 and 44,587.56 is: 66,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,381.19 : 209,085.57 = 44,587.56 : x
  2. Step 2: Convert to fraction form
    139,381.19/209,085.57 = 44,587.56/x
  3. Step 3: Cross multiply
    139,381.19x = 209,085.57 × 44,587.56
  4. Step 4: Simplify right side
    139,381.19x = 9,322,615,397.51
  5. Step 5: Solve for x
    x = 9,322,615,397.51/139,381.19
  6. Step 6: Final answer
    x = 66,885.75

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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.