Home / 132,835.19-183,307.05-72,404.51

Finding the Fourth Proportional to 132,835.19, 183,307.05 and 72,404.51

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Solution

The fourth proportional to 132,835.19, 183,307.05 and 72,404.51 is: 99,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,835.19 : 183,307.05 = 72,404.51 : x
  2. Step 2: Convert to fraction form
    132,835.19/183,307.05 = 72,404.51/x
  3. Step 3: Cross multiply
    132,835.19x = 183,307.05 × 72,404.51
  4. Step 4: Simplify right side
    132,835.19x = 13,272,256,733.81
  5. Step 5: Solve for x
    x = 13,272,256,733.81/132,835.19
  6. Step 6: Final answer
    x = 99,915.22

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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.