Home / 145,844.47-218,773.65-70,875.30

Finding the Fourth Proportional to 145,844.47, 218,773.65 and 70,875.30

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Solution

The fourth proportional to 145,844.47, 218,773.65 and 70,875.30 is: 106,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,844.47 : 218,773.65 = 70,875.30 : x
  2. Step 2: Convert to fraction form
    145,844.47/218,773.65 = 70,875.30/x
  3. Step 3: Cross multiply
    145,844.47x = 218,773.65 × 70,875.30
  4. Step 4: Simplify right side
    145,844.47x = 15,505,647,116.79
  5. Step 5: Solve for x
    x = 15,505,647,116.79/145,844.47
  6. Step 6: Final answer
    x = 106,316.32

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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.