Home / 126,017.76-173,904.50-69,430.34

Finding the Fourth Proportional to 126,017.76, 173,904.50 and 69,430.34

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Solution

The fourth proportional to 126,017.76, 173,904.50 and 69,430.34 is: 95,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.76 : 173,904.50 = 69,430.34 : x
  2. Step 2: Convert to fraction form
    126,017.76/173,904.50 = 69,430.34/x
  3. Step 3: Cross multiply
    126,017.76x = 173,904.50 × 69,430.34
  4. Step 4: Simplify right side
    126,017.76x = 12,074,248,562.53
  5. Step 5: Solve for x
    x = 12,074,248,562.53/126,017.76
  6. Step 6: Final answer
    x = 95,813.86

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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.