Home / 124,701.90-187,069.78-40,434.58

Finding the Fourth Proportional to 124,701.90, 187,069.78 and 40,434.58

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Solution

The fourth proportional to 124,701.90, 187,069.78 and 40,434.58 is: 60,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,701.90 : 187,069.78 = 40,434.58 : x
  2. Step 2: Convert to fraction form
    124,701.90/187,069.78 = 40,434.58/x
  3. Step 3: Cross multiply
    124,701.90x = 187,069.78 × 40,434.58
  4. Step 4: Simplify right side
    124,701.90x = 7,564,087,984.99
  5. Step 5: Solve for x
    x = 7,564,087,984.99/124,701.90
  6. Step 6: Final answer
    x = 60,657.36

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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.