Home / 118,287.95-162,823.04-103,153.91

Finding the Fourth Proportional to 118,287.95, 162,823.04 and 103,153.91

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Solution

The fourth proportional to 118,287.95, 162,823.04 and 103,153.91 is: 141,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,287.95 : 162,823.04 = 103,153.91 : x
  2. Step 2: Convert to fraction form
    118,287.95/162,823.04 = 103,153.91/x
  3. Step 3: Cross multiply
    118,287.95x = 162,823.04 × 103,153.91
  4. Step 4: Simplify right side
    118,287.95x = 16,795,833,214.09
  5. Step 5: Solve for x
    x = 16,795,833,214.09/118,287.95
  6. Step 6: Final answer
    x = 141,991.08

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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.