Home / 118,384.10-163,367.36-64,669.35

Finding the Fourth Proportional to 118,384.10, 163,367.36 and 64,669.35

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Solution

The fourth proportional to 118,384.10, 163,367.36 and 64,669.35 is: 89,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,384.10 : 163,367.36 = 64,669.35 : x
  2. Step 2: Convert to fraction form
    118,384.10/163,367.36 = 64,669.35/x
  3. Step 3: Cross multiply
    118,384.10x = 163,367.36 × 64,669.35
  4. Step 4: Simplify right side
    118,384.10x = 10,564,860,982.42
  5. Step 5: Solve for x
    x = 10,564,860,982.42/118,384.10
  6. Step 6: Final answer
    x = 89,242.23

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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.