Home / 103,752.32-143,162.40-58,427.92

Finding the Fourth Proportional to 103,752.32, 143,162.40 and 58,427.92

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Solution

The fourth proportional to 103,752.32, 143,162.40 and 58,427.92 is: 80,621.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,752.32 : 143,162.40 = 58,427.92 : x
  2. Step 2: Convert to fraction form
    103,752.32/143,162.40 = 58,427.92/x
  3. Step 3: Cross multiply
    103,752.32x = 143,162.40 × 58,427.92
  4. Step 4: Simplify right side
    103,752.32x = 8,364,681,254.21
  5. Step 5: Solve for x
    x = 8,364,681,254.21/103,752.32
  6. Step 6: Final answer
    x = 80,621.63

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1.5x scale

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.