Home / 112,298.39-155,034.84-77,893.23

Finding the Fourth Proportional to 112,298.39, 155,034.84 and 77,893.23

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Solution

The fourth proportional to 112,298.39, 155,034.84 and 77,893.23 is: 107,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.39 : 155,034.84 = 77,893.23 : x
  2. Step 2: Convert to fraction form
    112,298.39/155,034.84 = 77,893.23/x
  3. Step 3: Cross multiply
    112,298.39x = 155,034.84 × 77,893.23
  4. Step 4: Simplify right side
    112,298.39x = 12,076,164,450.13
  5. Step 5: Solve for x
    x = 12,076,164,450.13/112,298.39
  6. Step 6: Final answer
    x = 107,536.40

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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.