Home / 115,384.46-159,238.54-64,407.10

Finding the Fourth Proportional to 115,384.46, 159,238.54 and 64,407.10

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Solution

The fourth proportional to 115,384.46, 159,238.54 and 64,407.10 is: 88,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,384.46 : 159,238.54 = 64,407.10 : x
  2. Step 2: Convert to fraction form
    115,384.46/159,238.54 = 64,407.10/x
  3. Step 3: Cross multiply
    115,384.46x = 159,238.54 × 64,407.10
  4. Step 4: Simplify right side
    115,384.46x = 10,256,092,569.63
  5. Step 5: Solve for x
    x = 10,256,092,569.63/115,384.46
  6. Step 6: Final answer
    x = 88,886.26

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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.