Home / 127,169.19-175,501.68-70,580.56

Finding the Fourth Proportional to 127,169.19, 175,501.68 and 70,580.56

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Solution

The fourth proportional to 127,169.19, 175,501.68 and 70,580.56 is: 97,405.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,169.19 : 175,501.68 = 70,580.56 : x
  2. Step 2: Convert to fraction form
    127,169.19/175,501.68 = 70,580.56/x
  3. Step 3: Cross multiply
    127,169.19x = 175,501.68 × 70,580.56
  4. Step 4: Simplify right side
    127,169.19x = 12,387,006,855.34
  5. Step 5: Solve for x
    x = 12,387,006,855.34/127,169.19
  6. Step 6: Final answer
    x = 97,405.72

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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.