Home / 145,521.90-217,932.66-98,632.62

Finding the Fourth Proportional to 145,521.90, 217,932.66 and 98,632.62

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Solution

The fourth proportional to 145,521.90, 217,932.66 and 98,632.62 is: 147,711.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,521.90 : 217,932.66 = 98,632.62 : x
  2. Step 2: Convert to fraction form
    145,521.90/217,932.66 = 98,632.62/x
  3. Step 3: Cross multiply
    145,521.90x = 217,932.66 × 98,632.62
  4. Step 4: Simplify right side
    145,521.90x = 21,495,269,239.37
  5. Step 5: Solve for x
    x = 21,495,269,239.37/145,521.90
  6. Step 6: Final answer
    x = 147,711.58

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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.