Home / 160,775.52-221,855.68-89,155.32

Finding the Fourth Proportional to 160,775.52, 221,855.68 and 89,155.32

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Solution

The fourth proportional to 160,775.52, 221,855.68 and 89,155.32 is: 123,026.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,775.52 : 221,855.68 = 89,155.32 : x
  2. Step 2: Convert to fraction form
    160,775.52/221,855.68 = 89,155.32/x
  3. Step 3: Cross multiply
    160,775.52x = 221,855.68 × 89,155.32
  4. Step 4: Simplify right side
    160,775.52x = 19,779,614,144.22
  5. Step 5: Solve for x
    x = 19,779,614,144.22/160,775.52
  6. Step 6: Final answer
    x = 123,026.28

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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.