Home / 105,270.90-145,282.13-59,950.80

Finding the Fourth Proportional to 105,270.90, 145,282.13 and 59,950.80

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Solution

The fourth proportional to 105,270.90, 145,282.13 and 59,950.80 is: 82,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,270.90 : 145,282.13 = 59,950.80 : x
  2. Step 2: Convert to fraction form
    105,270.90/145,282.13 = 59,950.80/x
  3. Step 3: Cross multiply
    105,270.90x = 145,282.13 × 59,950.80
  4. Step 4: Simplify right side
    105,270.90x = 8,709,779,619.45
  5. Step 5: Solve for x
    x = 8,709,779,619.45/105,270.90
  6. Step 6: Final answer
    x = 82,736.82

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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.