Home / 86,838.90-130,301.55-34,250.10

Finding the Fourth Proportional to 86,838.90, 130,301.55 and 34,250.10

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Solution

The fourth proportional to 86,838.90, 130,301.55 and 34,250.10 is: 51,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,838.90 : 130,301.55 = 34,250.10 : x
  2. Step 2: Convert to fraction form
    86,838.90/130,301.55 = 34,250.10/x
  3. Step 3: Cross multiply
    86,838.90x = 130,301.55 × 34,250.10
  4. Step 4: Simplify right side
    86,838.90x = 4,462,841,117.66
  5. Step 5: Solve for x
    x = 4,462,841,117.66/86,838.90
  6. Step 6: Final answer
    x = 51,392.19

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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.