Home / 132,776.64-183,231.72-72,347.23

Finding the Fourth Proportional to 132,776.64, 183,231.72 and 72,347.23

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Solution

The fourth proportional to 132,776.64, 183,231.72 and 72,347.23 is: 99,839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,776.64 : 183,231.72 = 72,347.23 : x
  2. Step 2: Convert to fraction form
    132,776.64/183,231.72 = 72,347.23/x
  3. Step 3: Cross multiply
    132,776.64x = 183,231.72 × 72,347.23
  4. Step 4: Simplify right side
    132,776.64x = 13,256,307,444.76
  5. Step 5: Solve for x
    x = 13,256,307,444.76/132,776.64
  6. Step 6: Final answer
    x = 99,839.16

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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.