Home / 130,062.05-179,508.47-75,631.05

Finding the Fourth Proportional to 130,062.05, 179,508.47 and 75,631.05

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Solution

The fourth proportional to 130,062.05, 179,508.47 and 75,631.05 is: 104,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,062.05 : 179,508.47 = 75,631.05 : x
  2. Step 2: Convert to fraction form
    130,062.05/179,508.47 = 75,631.05/x
  3. Step 3: Cross multiply
    130,062.05x = 179,508.47 × 75,631.05
  4. Step 4: Simplify right side
    130,062.05x = 13,576,414,117.26
  5. Step 5: Solve for x
    x = 13,576,414,117.26/130,062.05
  6. Step 6: Final answer
    x = 104,384.13

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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.