Home / 127,729.80-176,260.18-70,357.94

Finding the Fourth Proportional to 127,729.80, 176,260.18 and 70,357.94

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Solution

The fourth proportional to 127,729.80, 176,260.18 and 70,357.94 is: 97,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729.80 : 176,260.18 = 70,357.94 : x
  2. Step 2: Convert to fraction form
    127,729.80/176,260.18 = 70,357.94/x
  3. Step 3: Cross multiply
    127,729.80x = 176,260.18 × 70,357.94
  4. Step 4: Simplify right side
    127,729.80x = 12,401,303,168.83
  5. Step 5: Solve for x
    x = 12,401,303,168.83/127,729.80
  6. Step 6: Final answer
    x = 97,090.13

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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.