Home / 170,957.08-235,929.80-102,995.45

Finding the Fourth Proportional to 170,957.08, 235,929.80 and 102,995.45

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Solution

The fourth proportional to 170,957.08, 235,929.80 and 102,995.45 is: 142,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,957.08 : 235,929.80 = 102,995.45 : x
  2. Step 2: Convert to fraction form
    170,957.08/235,929.80 = 102,995.45/x
  3. Step 3: Cross multiply
    170,957.08x = 235,929.80 × 102,995.45
  4. Step 4: Simplify right side
    170,957.08x = 24,299,694,224.78
  5. Step 5: Solve for x
    x = 24,299,694,224.78/170,957.08
  6. Step 6: Final answer
    x = 142,139.16

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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.