Home / 127,019.64-175,288.14-70,431.96

Finding the Fourth Proportional to 127,019.64, 175,288.14 and 70,431.96

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Solution

The fourth proportional to 127,019.64, 175,288.14 and 70,431.96 is: 97,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,019.64 : 175,288.14 = 70,431.96 : x
  2. Step 2: Convert to fraction form
    127,019.64/175,288.14 = 70,431.96/x
  3. Step 3: Cross multiply
    127,019.64x = 175,288.14 × 70,431.96
  4. Step 4: Simplify right side
    127,019.64x = 12,345,887,264.95
  5. Step 5: Solve for x
    x = 12,345,887,264.95/127,019.64
  6. Step 6: Final answer
    x = 97,196.68

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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.