Home / 152,101.65-209,928.36-97,721.80

Finding the Fourth Proportional to 152,101.65, 209,928.36 and 97,721.80

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Solution

The fourth proportional to 152,101.65, 209,928.36 and 97,721.80 is: 134,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,101.65 : 209,928.36 = 97,721.80 : x
  2. Step 2: Convert to fraction form
    152,101.65/209,928.36 = 97,721.80/x
  3. Step 3: Cross multiply
    152,101.65x = 209,928.36 × 97,721.80
  4. Step 4: Simplify right side
    152,101.65x = 20,514,576,705.16
  5. Step 5: Solve for x
    x = 20,514,576,705.16/152,101.65
  6. Step 6: Final answer
    x = 134,874.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.