Home / 156,627.81-216,048.06-92,920.50

Finding the Fourth Proportional to 156,627.81, 216,048.06 and 92,920.50

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Solution

The fourth proportional to 156,627.81, 216,048.06 and 92,920.50 is: 128,171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.81 : 216,048.06 = 92,920.50 : x
  2. Step 2: Convert to fraction form
    156,627.81/216,048.06 = 92,920.50/x
  3. Step 3: Cross multiply
    156,627.81x = 216,048.06 × 92,920.50
  4. Step 4: Simplify right side
    156,627.81x = 20,075,293,759.23
  5. Step 5: Solve for x
    x = 20,075,293,759.23/156,627.81
  6. Step 6: Final answer
    x = 128,171.96

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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.