Home / 145,384.90-217,727.43-98,495.62

Finding the Fourth Proportional to 145,384.90, 217,727.43 and 98,495.62

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Solution

The fourth proportional to 145,384.90, 217,727.43 and 98,495.62 is: 147,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,384.90 : 217,727.43 = 98,495.62 : x
  2. Step 2: Convert to fraction form
    145,384.90/217,727.43 = 98,495.62/x
  3. Step 3: Cross multiply
    145,384.90x = 217,727.43 × 98,495.62
  4. Step 4: Simplify right side
    145,384.90x = 21,445,198,208.86
  5. Step 5: Solve for x
    x = 21,445,198,208.86/145,384.90
  6. Step 6: Final answer
    x = 147,506.37

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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.