Home / 118,186.65-163,094.45-64,472.72

Finding the Fourth Proportional to 118,186.65, 163,094.45 and 64,472.72

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Solution

The fourth proportional to 118,186.65, 163,094.45 and 64,472.72 is: 88,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,186.65 : 163,094.45 = 64,472.72 : x
  2. Step 2: Convert to fraction form
    118,186.65/163,094.45 = 64,472.72/x
  3. Step 3: Cross multiply
    118,186.65x = 163,094.45 × 64,472.72
  4. Step 4: Simplify right side
    118,186.65x = 10,515,141,670.57
  5. Step 5: Solve for x
    x = 10,515,141,670.57/118,186.65
  6. Step 6: Final answer
    x = 88,970.64

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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.