Home / 437,569.13-656,353.70-105,145.13

Finding the Fourth Proportional to 437,569.13, 656,353.70 and 105,145.13

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Solution

The fourth proportional to 437,569.13, 656,353.70 and 105,145.13 is: 157,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,569.13 : 656,353.70 = 105,145.13 : x
  2. Step 2: Convert to fraction form
    437,569.13/656,353.70 = 105,145.13/x
  3. Step 3: Cross multiply
    437,569.13x = 656,353.70 × 105,145.13
  4. Step 4: Simplify right side
    437,569.13x = 69,012,395,112.48
  5. Step 5: Solve for x
    x = 69,012,395,112.48/437,569.13
  6. Step 6: Final answer
    x = 157,717.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.