Home / 145,590.42-200,914.14-81,929.28

Finding the Fourth Proportional to 145,590.42, 200,914.14 and 81,929.28

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Solution

The fourth proportional to 145,590.42, 200,914.14 and 81,929.28 is: 113,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,590.42 : 200,914.14 = 81,929.28 : x
  2. Step 2: Convert to fraction form
    145,590.42/200,914.14 = 81,929.28/x
  3. Step 3: Cross multiply
    145,590.42x = 200,914.14 × 81,929.28
  4. Step 4: Simplify right side
    145,590.42x = 16,460,750,832.02
  5. Step 5: Solve for x
    x = 16,460,750,832.02/145,590.42
  6. Step 6: Final answer
    x = 113,062.05

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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.