Home / 132,099.88-182,298.86-77,637.42

Finding the Fourth Proportional to 132,099.88, 182,298.86 and 77,637.42

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Solution

The fourth proportional to 132,099.88, 182,298.86 and 77,637.42 is: 107,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,099.88 : 182,298.86 = 77,637.42 : x
  2. Step 2: Convert to fraction form
    132,099.88/182,298.86 = 77,637.42/x
  3. Step 3: Cross multiply
    132,099.88x = 182,298.86 × 77,637.42
  4. Step 4: Simplify right side
    132,099.88x = 14,153,211,859.66
  5. Step 5: Solve for x
    x = 14,153,211,859.66/132,099.88
  6. Step 6: Final answer
    x = 107,140.24

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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.