Home / 105,302.39-145,317.24-59,984.55

Finding the Fourth Proportional to 105,302.39, 145,317.24 and 59,984.55

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Solution

The fourth proportional to 105,302.39, 145,317.24 and 59,984.55 is: 82,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,302.39 : 145,317.24 = 59,984.55 : x
  2. Step 2: Convert to fraction form
    105,302.39/145,317.24 = 59,984.55/x
  3. Step 3: Cross multiply
    105,302.39x = 145,317.24 × 59,984.55
  4. Step 4: Simplify right side
    105,302.39x = 8,716,789,248.64
  5. Step 5: Solve for x
    x = 8,716,789,248.64/105,302.39
  6. Step 6: Final answer
    x = 82,778.65

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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.