Home / 126,421.16-174,466.24-72,706.14

Finding the Fourth Proportional to 126,421.16, 174,466.24 and 72,706.14

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Solution

The fourth proportional to 126,421.16, 174,466.24 and 72,706.14 is: 100,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,421.16 : 174,466.24 = 72,706.14 : x
  2. Step 2: Convert to fraction form
    126,421.16/174,466.24 = 72,706.14/x
  3. Step 3: Cross multiply
    126,421.16x = 174,466.24 × 72,706.14
  4. Step 4: Simplify right side
    126,421.16x = 12,684,766,688.95
  5. Step 5: Solve for x
    x = 12,684,766,688.95/126,421.16
  6. Step 6: Final answer
    x = 100,337.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.