Home / 99,426.33-137,210.87-54,106.77

Finding the Fourth Proportional to 99,426.33, 137,210.87 and 54,106.77

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Solution

The fourth proportional to 99,426.33, 137,210.87 and 54,106.77 is: 74,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.33 : 137,210.87 = 54,106.77 : x
  2. Step 2: Convert to fraction form
    99,426.33/137,210.87 = 54,106.77/x
  3. Step 3: Cross multiply
    99,426.33x = 137,210.87 × 54,106.77
  4. Step 4: Simplify right side
    99,426.33x = 7,424,036,714.06
  5. Step 5: Solve for x
    x = 7,424,036,714.06/99,426.33
  6. Step 6: Final answer
    x = 74,668.72

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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.