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Finding the Fourth Proportional to 160,109.40, 240,164.10 and 49,301.40

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Solution

The fourth proportional to 160,109.40, 240,164.10 and 49,301.40 is: 73,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,109.40 : 240,164.10 = 49,301.40 : x
  2. Step 2: Convert to fraction form
    160,109.40/240,164.10 = 49,301.40/x
  3. Step 3: Cross multiply
    160,109.40x = 240,164.10 × 49,301.40
  4. Step 4: Simplify right side
    160,109.40x = 11,840,426,359.74
  5. Step 5: Solve for x
    x = 11,840,426,359.74/160,109.40
  6. Step 6: Final answer
    x = 73,952.10

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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.