Home / 160,299.90-221,217.39-88,685.01

Finding the Fourth Proportional to 160,299.90, 221,217.39 and 88,685.01

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Solution

The fourth proportional to 160,299.90, 221,217.39 and 88,685.01 is: 122,387.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,299.90 : 221,217.39 = 88,685.01 : x
  2. Step 2: Convert to fraction form
    160,299.90/221,217.39 = 88,685.01/x
  3. Step 3: Cross multiply
    160,299.90x = 221,217.39 × 88,685.01
  4. Step 4: Simplify right side
    160,299.90x = 19,618,666,444.32
  5. Step 5: Solve for x
    x = 19,618,666,444.32/160,299.90
  6. Step 6: Final answer
    x = 122,387.27

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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.