Home / 145,460.10-218,190.42-45,628.14

Finding the Fourth Proportional to 145,460.10, 218,190.42 and 45,628.14

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Solution

The fourth proportional to 145,460.10, 218,190.42 and 45,628.14 is: 68,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,460.10 : 218,190.42 = 45,628.14 : x
  2. Step 2: Convert to fraction form
    145,460.10/218,190.42 = 45,628.14/x
  3. Step 3: Cross multiply
    145,460.10x = 218,190.42 × 45,628.14
  4. Step 4: Simplify right side
    145,460.10x = 9,955,623,030.42
  5. Step 5: Solve for x
    x = 9,955,623,030.42/145,460.10
  6. Step 6: Final answer
    x = 68,442.29

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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.