Home / 132,871.14-183,356.76-72,440.58

Finding the Fourth Proportional to 132,871.14, 183,356.76 and 72,440.58

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Solution

The fourth proportional to 132,871.14, 183,356.76 and 72,440.58 is: 99,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.14 : 183,356.76 = 72,440.58 : x
  2. Step 2: Convert to fraction form
    132,871.14/183,356.76 = 72,440.58/x
  3. Step 3: Cross multiply
    132,871.14x = 183,356.76 × 72,440.58
  4. Step 4: Simplify right side
    132,871.14x = 13,282,470,041.32
  5. Step 5: Solve for x
    x = 13,282,470,041.32/132,871.14
  6. Step 6: Final answer
    x = 99,965.05

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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.