Home / 130,171.75-179,637.14-70,555.75

Finding the Fourth Proportional to 130,171.75, 179,637.14 and 70,555.75

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Solution

The fourth proportional to 130,171.75, 179,637.14 and 70,555.75 is: 97,367.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,171.75 : 179,637.14 = 70,555.75 : x
  2. Step 2: Convert to fraction form
    130,171.75/179,637.14 = 70,555.75/x
  3. Step 3: Cross multiply
    130,171.75x = 179,637.14 × 70,555.75
  4. Step 4: Simplify right side
    130,171.75x = 12,674,433,140.56
  5. Step 5: Solve for x
    x = 12,674,433,140.56/130,171.75
  6. Step 6: Final answer
    x = 97,367.00

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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.