Home / 160,365.12-240,476.58-85,471.32

Finding the Fourth Proportional to 160,365.12, 240,476.58 and 85,471.32

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Solution

The fourth proportional to 160,365.12, 240,476.58 and 85,471.32 is: 128,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,365.12 : 240,476.58 = 85,471.32 : x
  2. Step 2: Convert to fraction form
    160,365.12/240,476.58 = 85,471.32/x
  3. Step 3: Cross multiply
    160,365.12x = 240,476.58 × 85,471.32
  4. Step 4: Simplify right side
    160,365.12x = 20,553,850,721.69
  5. Step 5: Solve for x
    x = 20,553,850,721.69/160,365.12
  6. Step 6: Final answer
    x = 128,169.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.