Home / 183,710.29-253,534.85-103,143.10

Finding the Fourth Proportional to 183,710.29, 253,534.85 and 103,143.10

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Solution

The fourth proportional to 183,710.29, 253,534.85 and 103,143.10 is: 142,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,710.29 : 253,534.85 = 103,143.10 : x
  2. Step 2: Convert to fraction form
    183,710.29/253,534.85 = 103,143.10/x
  3. Step 3: Cross multiply
    183,710.29x = 253,534.85 × 103,143.10
  4. Step 4: Simplify right side
    183,710.29x = 26,150,369,871.32
  5. Step 5: Solve for x
    x = 26,150,369,871.32/183,710.29
  6. Step 6: Final answer
    x = 142,345.70

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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.