Home / 140,171.12-210,322.28-61,275.12

Finding the Fourth Proportional to 140,171.12, 210,322.28 and 61,275.12

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Solution

The fourth proportional to 140,171.12, 210,322.28 and 61,275.12 is: 91,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,171.12 : 210,322.28 = 61,275.12 : x
  2. Step 2: Convert to fraction form
    140,171.12/210,322.28 = 61,275.12/x
  3. Step 3: Cross multiply
    140,171.12x = 210,322.28 × 61,275.12
  4. Step 4: Simplify right side
    140,171.12x = 12,887,522,945.67
  5. Step 5: Solve for x
    x = 12,887,522,945.67/140,171.12
  6. Step 6: Final answer
    x = 91,941.36

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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.