Home / 126,630.34-174,753.15-72,917.62

Finding the Fourth Proportional to 126,630.34, 174,753.15 and 72,917.62

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Solution

The fourth proportional to 126,630.34, 174,753.15 and 72,917.62 is: 100,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,630.34 : 174,753.15 = 72,917.62 : x
  2. Step 2: Convert to fraction form
    126,630.34/174,753.15 = 72,917.62/x
  3. Step 3: Cross multiply
    126,630.34x = 174,753.15 × 72,917.62
  4. Step 4: Simplify right side
    126,630.34x = 12,742,583,075.18
  5. Step 5: Solve for x
    x = 12,742,583,075.18/126,630.34
  6. Step 6: Final answer
    x = 100,628.20

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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.