Home / 238,056.12-328,516.50-130,627.95

Finding the Fourth Proportional to 238,056.12, 328,516.50 and 130,627.95

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Solution

The fourth proportional to 238,056.12, 328,516.50 and 130,627.95 is: 180,266.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,056.12 : 328,516.50 = 130,627.95 : x
  2. Step 2: Convert to fraction form
    238,056.12/328,516.50 = 130,627.95/x
  3. Step 3: Cross multiply
    238,056.12x = 328,516.50 × 130,627.95
  4. Step 4: Simplify right side
    238,056.12x = 42,913,436,936.18
  5. Step 5: Solve for x
    x = 42,913,436,936.18/238,056.12
  6. Step 6: Final answer
    x = 180,266.05

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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.