Home / 118,412.82-163,412.06-64,701.18

Finding the Fourth Proportional to 118,412.82, 163,412.06 and 64,701.18

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Solution

The fourth proportional to 118,412.82, 163,412.06 and 64,701.18 is: 89,288.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,412.82 : 163,412.06 = 64,701.18 : x
  2. Step 2: Convert to fraction form
    118,412.82/163,412.06 = 64,701.18/x
  3. Step 3: Cross multiply
    118,412.82x = 163,412.06 × 64,701.18
  4. Step 4: Simplify right side
    118,412.82x = 10,572,953,108.23
  5. Step 5: Solve for x
    x = 10,572,953,108.23/118,412.82
  6. Step 6: Final answer
    x = 89,288.92

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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.