Home / 128,204.55-176,932.62-70,848.92

Finding the Fourth Proportional to 128,204.55, 176,932.62 and 70,848.92

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Solution

The fourth proportional to 128,204.55, 176,932.62 and 70,848.92 is: 97,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,204.55 : 176,932.62 = 70,848.92 : x
  2. Step 2: Convert to fraction form
    128,204.55/176,932.62 = 70,848.92/x
  3. Step 3: Cross multiply
    128,204.55x = 176,932.62 × 70,848.92
  4. Step 4: Simplify right side
    128,204.55x = 12,535,485,482.10
  5. Step 5: Solve for x
    x = 12,535,485,482.10/128,204.55
  6. Step 6: Final answer
    x = 97,777.23

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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.