Home / 102,079.24-153,137.22-42,074.32

Finding the Fourth Proportional to 102,079.24, 153,137.22 and 42,074.32

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Solution

The fourth proportional to 102,079.24, 153,137.22 and 42,074.32 is: 63,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,079.24 : 153,137.22 = 42,074.32 : x
  2. Step 2: Convert to fraction form
    102,079.24/153,137.22 = 42,074.32/x
  3. Step 3: Cross multiply
    102,079.24x = 153,137.22 × 42,074.32
  4. Step 4: Simplify right side
    102,079.24x = 6,443,144,398.19
  5. Step 5: Solve for x
    x = 6,443,144,398.19/102,079.24
  6. Step 6: Final answer
    x = 63,119.05

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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.