Home / 141,319.81-195,012.16-80,890.93

Finding the Fourth Proportional to 141,319.81, 195,012.16 and 80,890.93

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Solution

The fourth proportional to 141,319.81, 195,012.16 and 80,890.93 is: 111,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.81 : 195,012.16 = 80,890.93 : x
  2. Step 2: Convert to fraction form
    141,319.81/195,012.16 = 80,890.93/x
  3. Step 3: Cross multiply
    141,319.81x = 195,012.16 × 80,890.93
  4. Step 4: Simplify right side
    141,319.81x = 15,774,714,983.71
  5. Step 5: Solve for x
    x = 15,774,714,983.71/141,319.81
  6. Step 6: Final answer
    x = 111,624.23

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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.