Home / 145,690.24-218,564.40-45,875.56

Finding the Fourth Proportional to 145,690.24, 218,564.40 and 45,875.56

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Solution

The fourth proportional to 145,690.24, 218,564.40 and 45,875.56 is: 68,822.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690.24 : 218,564.40 = 45,875.56 : x
  2. Step 2: Convert to fraction form
    145,690.24/218,564.40 = 45,875.56/x
  3. Step 3: Cross multiply
    145,690.24x = 218,564.40 × 45,875.56
  4. Step 4: Simplify right side
    145,690.24x = 10,026,764,246.06
  5. Step 5: Solve for x
    x = 10,026,764,246.06/145,690.24
  6. Step 6: Final answer
    x = 68,822.48

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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.