Home / 160,800.48-221,878.08-89,169.12

Finding the Fourth Proportional to 160,800.48, 221,878.08 and 89,169.12

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Solution

The fourth proportional to 160,800.48, 221,878.08 and 89,169.12 is: 123,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,800.48 : 221,878.08 = 89,169.12 : x
  2. Step 2: Convert to fraction form
    160,800.48/221,878.08 = 89,169.12/x
  3. Step 3: Cross multiply
    160,800.48x = 221,878.08 × 89,169.12
  4. Step 4: Simplify right side
    160,800.48x = 19,784,673,140.89
  5. Step 5: Solve for x
    x = 19,784,673,140.89/160,800.48
  6. Step 6: Final answer
    x = 123,038.64

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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.