Home / 105,322.08-157,983.24-42,170.64

Finding the Fourth Proportional to 105,322.08, 157,983.24 and 42,170.64

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Solution

The fourth proportional to 105,322.08, 157,983.24 and 42,170.64 is: 63,256.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,322.08 : 157,983.24 = 42,170.64 : x
  2. Step 2: Convert to fraction form
    105,322.08/157,983.24 = 42,170.64/x
  3. Step 3: Cross multiply
    105,322.08x = 157,983.24 × 42,170.64
  4. Step 4: Simplify right side
    105,322.08x = 6,662,254,340.07
  5. Step 5: Solve for x
    x = 6,662,254,340.07/105,322.08
  6. Step 6: Final answer
    x = 63,256.01

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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.