Home / 160,138.81-240,218.12-53,532.36

Finding the Fourth Proportional to 160,138.81, 240,218.12 and 53,532.36

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Solution

The fourth proportional to 160,138.81, 240,218.12 and 53,532.36 is: 80,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,138.81 : 240,218.12 = 53,532.36 : x
  2. Step 2: Convert to fraction form
    160,138.81/240,218.12 = 53,532.36/x
  3. Step 3: Cross multiply
    160,138.81x = 240,218.12 × 53,532.36
  4. Step 4: Simplify right side
    160,138.81x = 12,859,443,012.19
  5. Step 5: Solve for x
    x = 12,859,443,012.19/160,138.81
  6. Step 6: Final answer
    x = 80,301.85

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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.