Home / 165,907.32-247,649.77-142,366.15

Finding the Fourth Proportional to 165,907.32, 247,649.77 and 142,366.15

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Solution

The fourth proportional to 165,907.32, 247,649.77 and 142,366.15 is: 212,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,907.32 : 247,649.77 = 142,366.15 : x
  2. Step 2: Convert to fraction form
    165,907.32/247,649.77 = 142,366.15/x
  3. Step 3: Cross multiply
    165,907.32x = 247,649.77 × 142,366.15
  4. Step 4: Simplify right side
    165,907.32x = 35,256,944,303.29
  5. Step 5: Solve for x
    x = 35,256,944,303.29/165,907.32
  6. Step 6: Final answer
    x = 212,509.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.