Home / 127,419.04-175,834.80-70,828.96

Finding the Fourth Proportional to 127,419.04, 175,834.80 and 70,828.96

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Solution

The fourth proportional to 127,419.04, 175,834.80 and 70,828.96 is: 97,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,419.04 : 175,834.80 = 70,828.96 : x
  2. Step 2: Convert to fraction form
    127,419.04/175,834.80 = 70,828.96/x
  3. Step 3: Cross multiply
    127,419.04x = 175,834.80 × 70,828.96
  4. Step 4: Simplify right side
    127,419.04x = 12,454,196,015.81
  5. Step 5: Solve for x
    x = 12,454,196,015.81/127,419.04
  6. Step 6: Final answer
    x = 97,742.03

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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.