Home / 133,026.18-183,643.86-102,743.52

Finding the Fourth Proportional to 133,026.18, 183,643.86 and 102,743.52

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Solution

The fourth proportional to 133,026.18, 183,643.86 and 102,743.52 is: 141,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,026.18 : 183,643.86 = 102,743.52 : x
  2. Step 2: Convert to fraction form
    133,026.18/183,643.86 = 102,743.52/x
  3. Step 3: Cross multiply
    133,026.18x = 183,643.86 × 102,743.52
  4. Step 4: Simplify right side
    133,026.18x = 18,868,216,602.79
  5. Step 5: Solve for x
    x = 18,868,216,602.79/133,026.18
  6. Step 6: Final answer
    x = 141,838.37

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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.