Home / 106,341.12-146,804.94-72,066.92

Finding the Fourth Proportional to 106,341.12, 146,804.94 and 72,066.92

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Solution

The fourth proportional to 106,341.12, 146,804.94 and 72,066.92 is: 99,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,341.12 : 146,804.94 = 72,066.92 : x
  2. Step 2: Convert to fraction form
    106,341.12/146,804.94 = 72,066.92/x
  3. Step 3: Cross multiply
    106,341.12x = 146,804.94 × 72,066.92
  4. Step 4: Simplify right side
    106,341.12x = 10,579,779,132.56
  5. Step 5: Solve for x
    x = 10,579,779,132.56/106,341.12
  6. Step 6: Final answer
    x = 99,489.07

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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.