Home / 130,386.10-179,931.81-73,795.54

Finding the Fourth Proportional to 130,386.10, 179,931.81 and 73,795.54

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Solution

The fourth proportional to 130,386.10, 179,931.81 and 73,795.54 is: 101,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,386.10 : 179,931.81 = 73,795.54 : x
  2. Step 2: Convert to fraction form
    130,386.10/179,931.81 = 73,795.54/x
  3. Step 3: Cross multiply
    130,386.10x = 179,931.81 × 73,795.54
  4. Step 4: Simplify right side
    130,386.10x = 13,278,165,082.13
  5. Step 5: Solve for x
    x = 13,278,165,082.13/130,386.10
  6. Step 6: Final answer
    x = 101,837.27

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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.