Home / 242,711.19-334,935.73-140,754.87

Finding the Fourth Proportional to 242,711.19, 334,935.73 and 140,754.87

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Solution

The fourth proportional to 242,711.19, 334,935.73 and 140,754.87 is: 194,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,711.19 : 334,935.73 = 140,754.87 : x
  2. Step 2: Convert to fraction form
    242,711.19/334,935.73 = 140,754.87/x
  3. Step 3: Cross multiply
    242,711.19x = 334,935.73 × 140,754.87
  4. Step 4: Simplify right side
    242,711.19x = 47,143,835,134.51
  5. Step 5: Solve for x
    x = 47,143,835,134.51/242,711.19
  6. Step 6: Final answer
    x = 194,238.41

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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.