Home / 156,689.55-216,092.34-126,465.21

Finding the Fourth Proportional to 156,689.55, 216,092.34 and 126,465.21

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Solution

The fourth proportional to 156,689.55, 216,092.34 and 126,465.21 is: 174,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,689.55 : 216,092.34 = 126,465.21 : x
  2. Step 2: Convert to fraction form
    156,689.55/216,092.34 = 126,465.21/x
  3. Step 3: Cross multiply
    156,689.55x = 216,092.34 × 126,465.21
  4. Step 4: Simplify right side
    156,689.55x = 27,328,163,157.49
  5. Step 5: Solve for x
    x = 27,328,163,157.49/156,689.55
  6. Step 6: Final answer
    x = 174,409.61

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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.