Home / 127,150.08-175,426.56-73,428

Finding the Fourth Proportional to 127,150.08, 175,426.56 and 73,428

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Solution

The fourth proportional to 127,150.08, 175,426.56 and 73,428 is: 101,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,150.08 : 175,426.56 = 73,428 : x
  2. Step 2: Convert to fraction form
    127,150.08/175,426.56 = 73,428/x
  3. Step 3: Cross multiply
    127,150.08x = 175,426.56 × 73,428
  4. Step 4: Simplify right side
    127,150.08x = 12,881,221,447.68
  5. Step 5: Solve for x
    x = 12,881,221,447.68/127,150.08
  6. Step 6: Final answer
    x = 101,307.22

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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.