Home / 103,341.65-142,610.22-58,018.50

Finding the Fourth Proportional to 103,341.65, 142,610.22 and 58,018.50

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Solution

The fourth proportional to 103,341.65, 142,610.22 and 58,018.50 is: 80,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,341.65 : 142,610.22 = 58,018.50 : x
  2. Step 2: Convert to fraction form
    103,341.65/142,610.22 = 58,018.50/x
  3. Step 3: Cross multiply
    103,341.65x = 142,610.22 × 58,018.50
  4. Step 4: Simplify right side
    103,341.65x = 8,274,031,049.07
  5. Step 5: Solve for x
    x = 8,274,031,049.07/103,341.65
  6. Step 6: Final answer
    x = 80,064.83

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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.