Home / 136,134.40-203,832.96-70,332.16

Finding the Fourth Proportional to 136,134.40, 203,832.96 and 70,332.16

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Solution

The fourth proportional to 136,134.40, 203,832.96 and 70,332.16 is: 105,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,134.40 : 203,832.96 = 70,332.16 : x
  2. Step 2: Convert to fraction form
    136,134.40/203,832.96 = 70,332.16/x
  3. Step 3: Cross multiply
    136,134.40x = 203,832.96 × 70,332.16
  4. Step 4: Simplify right side
    136,134.40x = 14,336,012,355.99
  5. Step 5: Solve for x
    x = 14,336,012,355.99/136,134.40
  6. Step 6: Final answer
    x = 105,307.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.