Home / 251,109.95-346,534.27-136,389.70

Finding the Fourth Proportional to 251,109.95, 346,534.27 and 136,389.70

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Solution

The fourth proportional to 251,109.95, 346,534.27 and 136,389.70 is: 188,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,109.95 : 346,534.27 = 136,389.70 : x
  2. Step 2: Convert to fraction form
    251,109.95/346,534.27 = 136,389.70/x
  3. Step 3: Cross multiply
    251,109.95x = 346,534.27 × 136,389.70
  4. Step 4: Simplify right side
    251,109.95x = 47,263,704,429.17
  5. Step 5: Solve for x
    x = 47,263,704,429.17/251,109.95
  6. Step 6: Final answer
    x = 188,219.17

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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.