Home / 127,292-175,688.64-73,579.20

Finding the Fourth Proportional to 127,292, 175,688.64 and 73,579.20

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Solution

The fourth proportional to 127,292, 175,688.64 and 73,579.20 is: 101,554.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,292 : 175,688.64 = 73,579.20 : x
  2. Step 2: Convert to fraction form
    127,292/175,688.64 = 73,579.20/x
  3. Step 3: Cross multiply
    127,292x = 175,688.64 × 73,579.20
  4. Step 4: Simplify right side
    127,292x = 12,927,029,580.29
  5. Step 5: Solve for x
    x = 12,927,029,580.29/127,292
  6. Step 6: Final answer
    x = 101,554.14

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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.