Home / 145,158.04-217,635-56,336.68

Finding the Fourth Proportional to 145,158.04, 217,635 and 56,336.68

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Solution

The fourth proportional to 145,158.04, 217,635 and 56,336.68 is: 84,465.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158.04 : 217,635 = 56,336.68 : x
  2. Step 2: Convert to fraction form
    145,158.04/217,635 = 56,336.68/x
  3. Step 3: Cross multiply
    145,158.04x = 217,635 × 56,336.68
  4. Step 4: Simplify right side
    145,158.04x = 12,260,833,351.80
  5. Step 5: Solve for x
    x = 12,260,833,351.80/145,158.04
  6. Step 6: Final answer
    x = 84,465.41

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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.