Home / 113,685.05-156,889.08-62,700

Finding the Fourth Proportional to 113,685.05, 156,889.08 and 62,700

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Solution

The fourth proportional to 113,685.05, 156,889.08 and 62,700 is: 86,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,685.05 : 156,889.08 = 62,700 : x
  2. Step 2: Convert to fraction form
    113,685.05/156,889.08 = 62,700/x
  3. Step 3: Cross multiply
    113,685.05x = 156,889.08 × 62,700
  4. Step 4: Simplify right side
    113,685.05x = 9,836,945,316
  5. Step 5: Solve for x
    x = 9,836,945,316/113,685.05
  6. Step 6: Final answer
    x = 86,528.05

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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.