Home / 103,677.48-155,510.73-51,069.20

Finding the Fourth Proportional to 103,677.48, 155,510.73 and 51,069.20

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Solution

The fourth proportional to 103,677.48, 155,510.73 and 51,069.20 is: 76,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,677.48 : 155,510.73 = 51,069.20 : x
  2. Step 2: Convert to fraction form
    103,677.48/155,510.73 = 51,069.20/x
  3. Step 3: Cross multiply
    103,677.48x = 155,510.73 × 51,069.20
  4. Step 4: Simplify right side
    103,677.48x = 7,941,807,794.96
  5. Step 5: Solve for x
    x = 7,941,807,794.96/103,677.48
  6. Step 6: Final answer
    x = 76,601.09

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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.