Home / 130,022.25-179,430.71-70,406.25

Finding the Fourth Proportional to 130,022.25, 179,430.71 and 70,406.25

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Solution

The fourth proportional to 130,022.25, 179,430.71 and 70,406.25 is: 97,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,022.25 : 179,430.71 = 70,406.25 : x
  2. Step 2: Convert to fraction form
    130,022.25/179,430.71 = 70,406.25/x
  3. Step 3: Cross multiply
    130,022.25x = 179,430.71 × 70,406.25
  4. Step 4: Simplify right side
    130,022.25x = 12,633,043,073.91
  5. Step 5: Solve for x
    x = 12,633,043,073.91/130,022.25
  6. Step 6: Final answer
    x = 97,160.63

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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.