Home / 127,209.07-175,528.07-73,501.21

Finding the Fourth Proportional to 127,209.07, 175,528.07 and 73,501.21

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Solution

The fourth proportional to 127,209.07, 175,528.07 and 73,501.21 is: 101,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,209.07 : 175,528.07 = 73,501.21 : x
  2. Step 2: Convert to fraction form
    127,209.07/175,528.07 = 73,501.21/x
  3. Step 3: Cross multiply
    127,209.07x = 175,528.07 × 73,501.21
  4. Step 4: Simplify right side
    127,209.07x = 12,901,525,533.96
  5. Step 5: Solve for x
    x = 12,901,525,533.96/127,209.07
  6. Step 6: Final answer
    x = 101,419.86

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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.