Home / 127,018.64-175,284.36-70,429.52

Finding the Fourth Proportional to 127,018.64, 175,284.36 and 70,429.52

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Solution

The fourth proportional to 127,018.64, 175,284.36 and 70,429.52 is: 97,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,018.64 : 175,284.36 = 70,429.52 : x
  2. Step 2: Convert to fraction form
    127,018.64/175,284.36 = 70,429.52/x
  3. Step 3: Cross multiply
    127,018.64x = 175,284.36 × 70,429.52
  4. Step 4: Simplify right side
    127,018.64x = 12,345,193,338.31
  5. Step 5: Solve for x
    x = 12,345,193,338.31/127,018.64
  6. Step 6: Final answer
    x = 97,191.98

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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.