Home / 160,759.74-221,860.98-89,153.76

Finding the Fourth Proportional to 160,759.74, 221,860.98 and 89,153.76

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Solution

The fourth proportional to 160,759.74, 221,860.98 and 89,153.76 is: 123,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,759.74 : 221,860.98 = 89,153.76 : x
  2. Step 2: Convert to fraction form
    160,759.74/221,860.98 = 89,153.76/x
  3. Step 3: Cross multiply
    160,759.74x = 221,860.98 × 89,153.76
  4. Step 4: Simplify right side
    160,759.74x = 19,779,740,564.28
  5. Step 5: Solve for x
    x = 19,779,740,564.28/160,759.74
  6. Step 6: Final answer
    x = 123,039.14

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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.