Home / 185,397.18-255,848.40-100,514.46

Finding the Fourth Proportional to 185,397.18, 255,848.40 and 100,514.46

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Solution

The fourth proportional to 185,397.18, 255,848.40 and 100,514.46 is: 138,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,397.18 : 255,848.40 = 100,514.46 : x
  2. Step 2: Convert to fraction form
    185,397.18/255,848.40 = 100,514.46/x
  3. Step 3: Cross multiply
    185,397.18x = 255,848.40 × 100,514.46
  4. Step 4: Simplify right side
    185,397.18x = 25,716,463,767.86
  5. Step 5: Solve for x
    x = 25,716,463,767.86/185,397.18
  6. Step 6: Final answer
    x = 138,710.11

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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.