Home / 128,150.64-176,847.18-70,793.91

Finding the Fourth Proportional to 128,150.64, 176,847.18 and 70,793.91

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Solution

The fourth proportional to 128,150.64, 176,847.18 and 70,793.91 is: 97,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,150.64 : 176,847.18 = 70,793.91 : x
  2. Step 2: Convert to fraction form
    128,150.64/176,847.18 = 70,793.91/x
  3. Step 3: Cross multiply
    128,150.64x = 176,847.18 × 70,793.91
  4. Step 4: Simplify right side
    128,150.64x = 12,519,703,344.67
  5. Step 5: Solve for x
    x = 12,519,703,344.67/128,150.64
  6. Step 6: Final answer
    x = 97,695.21

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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.