Home / 130,242.10-179,561.80-93,913.15

Finding the Fourth Proportional to 130,242.10, 179,561.80 and 93,913.15

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Solution

The fourth proportional to 130,242.10, 179,561.80 and 93,913.15 is: 129,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,242.10 : 179,561.80 = 93,913.15 : x
  2. Step 2: Convert to fraction form
    130,242.10/179,561.80 = 93,913.15/x
  3. Step 3: Cross multiply
    130,242.10x = 179,561.80 × 93,913.15
  4. Step 4: Simplify right side
    130,242.10x = 16,863,214,257.67
  5. Step 5: Solve for x
    x = 16,863,214,257.67/130,242.10
  6. Step 6: Final answer
    x = 129,475.91

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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.