Home / 86,913.85-130,317.98-34,262.65

Finding the Fourth Proportional to 86,913.85, 130,317.98 and 34,262.65

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Solution

The fourth proportional to 86,913.85, 130,317.98 and 34,262.65 is: 51,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,913.85 : 130,317.98 = 34,262.65 : x
  2. Step 2: Convert to fraction form
    86,913.85/130,317.98 = 34,262.65/x
  3. Step 3: Cross multiply
    86,913.85x = 130,317.98 × 34,262.65
  4. Step 4: Simplify right side
    86,913.85x = 4,465,039,166.13
  5. Step 5: Solve for x
    x = 4,465,039,166.13/86,913.85
  6. Step 6: Final answer
    x = 51,373.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.