Home / 106,985.32-160,507.97-42,988.39

Finding the Fourth Proportional to 106,985.32, 160,507.97 and 42,988.39

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Solution

The fourth proportional to 106,985.32, 160,507.97 and 42,988.39 is: 64,494.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,985.32 : 160,507.97 = 42,988.39 : x
  2. Step 2: Convert to fraction form
    106,985.32/160,507.97 = 42,988.39/x
  3. Step 3: Cross multiply
    106,985.32x = 160,507.97 × 42,988.39
  4. Step 4: Simplify right side
    106,985.32x = 6,899,979,212.47
  5. Step 5: Solve for x
    x = 6,899,979,212.47/106,985.32
  6. Step 6: Final answer
    x = 64,494.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.