Home / 145,154.04-217,629-56,332.68

Finding the Fourth Proportional to 145,154.04, 217,629 and 56,332.68

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Solution

The fourth proportional to 145,154.04, 217,629 and 56,332.68 is: 84,459.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,154.04 : 217,629 = 56,332.68 : x
  2. Step 2: Convert to fraction form
    145,154.04/217,629 = 56,332.68/x
  3. Step 3: Cross multiply
    145,154.04x = 217,629 × 56,332.68
  4. Step 4: Simplify right side
    145,154.04x = 12,259,624,815.72
  5. Step 5: Solve for x
    x = 12,259,624,815.72/145,154.04
  6. Step 6: Final answer
    x = 84,459.41

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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.