Home / 105,071.33-145,002.50-59,753.45

Finding the Fourth Proportional to 105,071.33, 145,002.50 and 59,753.45

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Solution

The fourth proportional to 105,071.33, 145,002.50 and 59,753.45 is: 82,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,071.33 : 145,002.50 = 59,753.45 : x
  2. Step 2: Convert to fraction form
    105,071.33/145,002.50 = 59,753.45/x
  3. Step 3: Cross multiply
    105,071.33x = 145,002.50 × 59,753.45
  4. Step 4: Simplify right side
    105,071.33x = 8,664,398,609.85
  5. Step 5: Solve for x
    x = 8,664,398,609.85/105,071.33
  6. Step 6: Final answer
    x = 82,462.07

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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.