Home / 134,860.70-202,291.05-72,652.70

Finding the Fourth Proportional to 134,860.70, 202,291.05 and 72,652.70

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Solution

The fourth proportional to 134,860.70, 202,291.05 and 72,652.70 is: 108,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.70 : 202,291.05 = 72,652.70 : x
  2. Step 2: Convert to fraction form
    134,860.70/202,291.05 = 72,652.70/x
  3. Step 3: Cross multiply
    134,860.70x = 202,291.05 × 72,652.70
  4. Step 4: Simplify right side
    134,860.70x = 14,696,990,968.34
  5. Step 5: Solve for x
    x = 14,696,990,968.34/134,860.70
  6. Step 6: Final answer
    x = 108,979.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.