Home / 132,829.73-183,303.40-72,400.18

Finding the Fourth Proportional to 132,829.73, 183,303.40 and 72,400.18

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Solution

The fourth proportional to 132,829.73, 183,303.40 and 72,400.18 is: 99,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,829.73 : 183,303.40 = 72,400.18 : x
  2. Step 2: Convert to fraction form
    132,829.73/183,303.40 = 72,400.18/x
  3. Step 3: Cross multiply
    132,829.73x = 183,303.40 × 72,400.18
  4. Step 4: Simplify right side
    132,829.73x = 13,271,199,154.61
  5. Step 5: Solve for x
    x = 13,271,199,154.61/132,829.73
  6. Step 6: Final answer
    x = 99,911.36

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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.