Home / 145,406.04-218,007-56,584.68

Finding the Fourth Proportional to 145,406.04, 218,007 and 56,584.68

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Solution

The fourth proportional to 145,406.04, 218,007 and 56,584.68 is: 84,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,406.04 : 218,007 = 56,584.68 : x
  2. Step 2: Convert to fraction form
    145,406.04/218,007 = 56,584.68/x
  3. Step 3: Cross multiply
    145,406.04x = 218,007 × 56,584.68
  4. Step 4: Simplify right side
    145,406.04x = 12,335,856,332.76
  5. Step 5: Solve for x
    x = 12,335,856,332.76/145,406.04
  6. Step 6: Final answer
    x = 84,837.30

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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.