Home / 116,557.17-160,848.65-65,569.94

Finding the Fourth Proportional to 116,557.17, 160,848.65 and 65,569.94

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Solution

The fourth proportional to 116,557.17, 160,848.65 and 65,569.94 is: 90,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,557.17 : 160,848.65 = 65,569.94 : x
  2. Step 2: Convert to fraction form
    116,557.17/160,848.65 = 65,569.94/x
  3. Step 3: Cross multiply
    116,557.17x = 160,848.65 × 65,569.94
  4. Step 4: Simplify right side
    116,557.17x = 10,546,835,197.49
  5. Step 5: Solve for x
    x = 10,546,835,197.49/116,557.17
  6. Step 6: Final answer
    x = 90,486.37

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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.