Home / 160,532.40-221,538.40-87,942.23

Finding the Fourth Proportional to 160,532.40, 221,538.40 and 87,942.23

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Solution

The fourth proportional to 160,532.40, 221,538.40 and 87,942.23 is: 121,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,532.40 : 221,538.40 = 87,942.23 : x
  2. Step 2: Convert to fraction form
    160,532.40/221,538.40 = 87,942.23/x
  3. Step 3: Cross multiply
    160,532.40x = 221,538.40 × 87,942.23
  4. Step 4: Simplify right side
    160,532.40x = 19,482,580,926.63
  5. Step 5: Solve for x
    x = 19,482,580,926.63/160,532.40
  6. Step 6: Final answer
    x = 121,362.30

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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.