Home / 147,011.85-220,497-47,159.07

Finding the Fourth Proportional to 147,011.85, 220,497 and 47,159.07

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Solution

The fourth proportional to 147,011.85, 220,497 and 47,159.07 is: 70,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,011.85 : 220,497 = 47,159.07 : x
  2. Step 2: Convert to fraction form
    147,011.85/220,497 = 47,159.07/x
  3. Step 3: Cross multiply
    147,011.85x = 220,497 × 47,159.07
  4. Step 4: Simplify right side
    147,011.85x = 10,398,433,457.79
  5. Step 5: Solve for x
    x = 10,398,433,457.79/147,011.85
  6. Step 6: Final answer
    x = 70,731.94

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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.