Home / 127,009.50-175,279.19-70,420.88

Finding the Fourth Proportional to 127,009.50, 175,279.19 and 70,420.88

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Solution

The fourth proportional to 127,009.50, 175,279.19 and 70,420.88 is: 97,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,009.50 : 175,279.19 = 70,420.88 : x
  2. Step 2: Convert to fraction form
    127,009.50/175,279.19 = 70,420.88/x
  3. Step 3: Cross multiply
    127,009.50x = 175,279.19 × 70,420.88
  4. Step 4: Simplify right side
    127,009.50x = 12,343,313,576.99
  5. Step 5: Solve for x
    x = 12,343,313,576.99/127,009.50
  6. Step 6: Final answer
    x = 97,184.18

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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.