Home / 132,897.09-183,394.66-72,468.91

Finding the Fourth Proportional to 132,897.09, 183,394.66 and 72,468.91

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Solution

The fourth proportional to 132,897.09, 183,394.66 and 72,468.91 is: 100,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,897.09 : 183,394.66 = 72,468.91 : x
  2. Step 2: Convert to fraction form
    132,897.09/183,394.66 = 72,468.91/x
  3. Step 3: Cross multiply
    132,897.09x = 183,394.66 × 72,468.91
  4. Step 4: Simplify right side
    132,897.09x = 13,290,411,110.02
  5. Step 5: Solve for x
    x = 13,290,411,110.02/132,897.09
  6. Step 6: Final answer
    x = 100,005.28

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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.