Home / 118,347.35-163,312.11-64,621.44

Finding the Fourth Proportional to 118,347.35, 163,312.11 and 64,621.44

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Solution

The fourth proportional to 118,347.35, 163,312.11 and 64,621.44 is: 89,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.35 : 163,312.11 = 64,621.44 : x
  2. Step 2: Convert to fraction form
    118,347.35/163,312.11 = 64,621.44/x
  3. Step 3: Cross multiply
    118,347.35x = 163,312.11 × 64,621.44
  4. Step 4: Simplify right side
    118,347.35x = 10,553,463,717.64
  5. Step 5: Solve for x
    x = 10,553,463,717.64/118,347.35
  6. Step 6: Final answer
    x = 89,173.64

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1.5x scale

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.