Home / 126,710.30-174,790.01-81,337.34

Finding the Fourth Proportional to 126,710.30, 174,790.01 and 81,337.34

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Solution

The fourth proportional to 126,710.30, 174,790.01 and 81,337.34 is: 112,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,710.30 : 174,790.01 = 81,337.34 : x
  2. Step 2: Convert to fraction form
    126,710.30/174,790.01 = 81,337.34/x
  3. Step 3: Cross multiply
    126,710.30x = 174,790.01 × 81,337.34
  4. Step 4: Simplify right side
    126,710.30x = 14,216,953,598.02
  5. Step 5: Solve for x
    x = 14,216,953,598.02/126,710.30
  6. Step 6: Final answer
    x = 112,200.46

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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.