Home / 105,207.26-145,139.77-62,741.19

Finding the Fourth Proportional to 105,207.26, 145,139.77 and 62,741.19

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Solution

The fourth proportional to 105,207.26, 145,139.77 and 62,741.19 is: 86,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,207.26 : 145,139.77 = 62,741.19 : x
  2. Step 2: Convert to fraction form
    105,207.26/145,139.77 = 62,741.19/x
  3. Step 3: Cross multiply
    105,207.26x = 145,139.77 × 62,741.19
  4. Step 4: Simplify right side
    105,207.26x = 9,106,241,572.42
  5. Step 5: Solve for x
    x = 9,106,241,572.42/105,207.26
  6. Step 6: Final answer
    x = 86,555.26

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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.