Home / 124,400.35-171,672.78-70,703.20

Finding the Fourth Proportional to 124,400.35, 171,672.78 and 70,703.20

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Solution

The fourth proportional to 124,400.35, 171,672.78 and 70,703.20 is: 97,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400.35 : 171,672.78 = 70,703.20 : x
  2. Step 2: Convert to fraction form
    124,400.35/171,672.78 = 70,703.20/x
  3. Step 3: Cross multiply
    124,400.35x = 171,672.78 × 70,703.20
  4. Step 4: Simplify right side
    124,400.35x = 12,137,814,898.90
  5. Step 5: Solve for x
    x = 12,137,814,898.90/124,400.35
  6. Step 6: Final answer
    x = 97,570.58

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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.