Home / 160,642.44-221,712.66-153,555.48

Finding the Fourth Proportional to 160,642.44, 221,712.66 and 153,555.48

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Solution

The fourth proportional to 160,642.44, 221,712.66 and 153,555.48 is: 211,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,642.44 : 221,712.66 = 153,555.48 : x
  2. Step 2: Convert to fraction form
    160,642.44/221,712.66 = 153,555.48/x
  3. Step 3: Cross multiply
    160,642.44x = 221,712.66 × 153,555.48
  4. Step 4: Simplify right side
    160,642.44x = 34,045,193,928.38
  5. Step 5: Solve for x
    x = 34,045,193,928.38/160,642.44
  6. Step 6: Final answer
    x = 211,931.50

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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.