Home / 130,047.36-179,465.58-70,431.36

Finding the Fourth Proportional to 130,047.36, 179,465.58 and 70,431.36

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Solution

The fourth proportional to 130,047.36, 179,465.58 and 70,431.36 is: 97,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047.36 : 179,465.58 = 70,431.36 : x
  2. Step 2: Convert to fraction form
    130,047.36/179,465.58 = 70,431.36/x
  3. Step 3: Cross multiply
    130,047.36x = 179,465.58 × 70,431.36
  4. Step 4: Simplify right side
    130,047.36x = 12,640,004,872.59
  5. Step 5: Solve for x
    x = 12,640,004,872.59/130,047.36
  6. Step 6: Final answer
    x = 97,195.40

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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.