Home / 148,683.15-205,185.80-84,152.39

Finding the Fourth Proportional to 148,683.15, 205,185.80 and 84,152.39

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Solution

The fourth proportional to 148,683.15, 205,185.80 and 84,152.39 is: 116,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,683.15 : 205,185.80 = 84,152.39 : x
  2. Step 2: Convert to fraction form
    148,683.15/205,185.80 = 84,152.39/x
  3. Step 3: Cross multiply
    148,683.15x = 205,185.80 × 84,152.39
  4. Step 4: Simplify right side
    148,683.15x = 17,266,874,017.37
  5. Step 5: Solve for x
    x = 17,266,874,017.37/148,683.15
  6. Step 6: Final answer
    x = 116,132.02

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1.5x scale

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.