Home / 145,741.07-201,123.14-84,499.20

Finding the Fourth Proportional to 145,741.07, 201,123.14 and 84,499.20

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Solution

The fourth proportional to 145,741.07, 201,123.14 and 84,499.20 is: 116,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741.07 : 201,123.14 = 84,499.20 : x
  2. Step 2: Convert to fraction form
    145,741.07/201,123.14 = 84,499.20/x
  3. Step 3: Cross multiply
    145,741.07x = 201,123.14 × 84,499.20
  4. Step 4: Simplify right side
    145,741.07x = 16,994,744,008.99
  5. Step 5: Solve for x
    x = 16,994,744,008.99/145,741.07
  6. Step 6: Final answer
    x = 116,609.16

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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.