Home / 145,945.56-218,918.34-112,714.10

Finding the Fourth Proportional to 145,945.56, 218,918.34 and 112,714.10

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Solution

The fourth proportional to 145,945.56, 218,918.34 and 112,714.10 is: 169,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.56 : 218,918.34 = 112,714.10 : x
  2. Step 2: Convert to fraction form
    145,945.56/218,918.34 = 112,714.10/x
  3. Step 3: Cross multiply
    145,945.56x = 218,918.34 × 112,714.10
  4. Step 4: Simplify right side
    145,945.56x = 24,675,182,572.00
  5. Step 5: Solve for x
    x = 24,675,182,572.00/145,945.56
  6. Step 6: Final answer
    x = 169,071.14

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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.