Home / 97,345.06-134,284.13-67,145.32

Finding the Fourth Proportional to 97,345.06, 134,284.13 and 67,145.32

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Solution

The fourth proportional to 97,345.06, 134,284.13 and 67,145.32 is: 92,624.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,345.06 : 134,284.13 = 67,145.32 : x
  2. Step 2: Convert to fraction form
    97,345.06/134,284.13 = 67,145.32/x
  3. Step 3: Cross multiply
    97,345.06x = 134,284.13 × 67,145.32
  4. Step 4: Simplify right side
    97,345.06x = 9,016,550,963.70
  5. Step 5: Solve for x
    x = 9,016,550,963.70/97,345.06
  6. Step 6: Final answer
    x = 92,624.64

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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.