Home / 126,683.40-174,841.62-72,957.96

Finding the Fourth Proportional to 126,683.40, 174,841.62 and 72,957.96

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Solution

The fourth proportional to 126,683.40, 174,841.62 and 72,957.96 is: 100,692.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,683.40 : 174,841.62 = 72,957.96 : x
  2. Step 2: Convert to fraction form
    126,683.40/174,841.62 = 72,957.96/x
  3. Step 3: Cross multiply
    126,683.40x = 174,841.62 × 72,957.96
  4. Step 4: Simplify right side
    126,683.40x = 12,756,087,918.30
  5. Step 5: Solve for x
    x = 12,756,087,918.30/126,683.40
  6. Step 6: Final answer
    x = 100,692.66

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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.