Home / 160,720.98-221,788.53-88,122.30

Finding the Fourth Proportional to 160,720.98, 221,788.53 and 88,122.30

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Solution

The fourth proportional to 160,720.98, 221,788.53 and 88,122.30 is: 121,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,720.98 : 221,788.53 = 88,122.30 : x
  2. Step 2: Convert to fraction form
    160,720.98/221,788.53 = 88,122.30/x
  3. Step 3: Cross multiply
    160,720.98x = 221,788.53 × 88,122.30
  4. Step 4: Simplify right side
    160,720.98x = 19,544,514,545.51
  5. Step 5: Solve for x
    x = 19,544,514,545.51/160,720.98
  6. Step 6: Final answer
    x = 121,605.25

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1.5x scale

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.