Home / 134,962.60-186,239.01-74,532.72

Finding the Fourth Proportional to 134,962.60, 186,239.01 and 74,532.72

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Solution

The fourth proportional to 134,962.60, 186,239.01 and 74,532.72 is: 102,849.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,962.60 : 186,239.01 = 74,532.72 : x
  2. Step 2: Convert to fraction form
    134,962.60/186,239.01 = 74,532.72/x
  3. Step 3: Cross multiply
    134,962.60x = 186,239.01 × 74,532.72
  4. Step 4: Simplify right side
    134,962.60x = 13,880,899,985.41
  5. Step 5: Solve for x
    x = 13,880,899,985.41/134,962.60
  6. Step 6: Final answer
    x = 102,849.97

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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.