Home / 127,301.81-175,671.58-70,716.77

Finding the Fourth Proportional to 127,301.81, 175,671.58 and 70,716.77

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Solution

The fourth proportional to 127,301.81, 175,671.58 and 70,716.77 is: 97,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,301.81 : 175,671.58 = 70,716.77 : x
  2. Step 2: Convert to fraction form
    127,301.81/175,671.58 = 70,716.77/x
  3. Step 3: Cross multiply
    127,301.81x = 175,671.58 × 70,716.77
  4. Step 4: Simplify right side
    127,301.81x = 12,422,926,718.40
  5. Step 5: Solve for x
    x = 12,422,926,718.40/127,301.81
  6. Step 6: Final answer
    x = 97,586.41

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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.