Home / 139,877.57-209,999.27-83,055.23

Finding the Fourth Proportional to 139,877.57, 209,999.27 and 83,055.23

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Solution

The fourth proportional to 139,877.57, 209,999.27 and 83,055.23 is: 124,691.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,877.57 : 209,999.27 = 83,055.23 : x
  2. Step 2: Convert to fraction form
    139,877.57/209,999.27 = 83,055.23/x
  3. Step 3: Cross multiply
    139,877.57x = 209,999.27 × 83,055.23
  4. Step 4: Simplify right side
    139,877.57x = 17,441,536,204.41
  5. Step 5: Solve for x
    x = 17,441,536,204.41/139,877.57
  6. Step 6: Final answer
    x = 124,691.45

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1.5x scale

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.