Home / 124,415.64-171,711.36-70,689.96

Finding the Fourth Proportional to 124,415.64, 171,711.36 and 70,689.96

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Solution

The fourth proportional to 124,415.64, 171,711.36 and 70,689.96 is: 97,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415.64 : 171,711.36 = 70,689.96 : x
  2. Step 2: Convert to fraction form
    124,415.64/171,711.36 = 70,689.96/x
  3. Step 3: Cross multiply
    124,415.64x = 171,711.36 × 70,689.96
  4. Step 4: Simplify right side
    124,415.64x = 12,138,269,169.95
  5. Step 5: Solve for x
    x = 12,138,269,169.95/124,415.64
  6. Step 6: Final answer
    x = 97,562.25

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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.