Home / 101,088.48-139,457.70-60,778.92

Finding the Fourth Proportional to 101,088.48, 139,457.70 and 60,778.92

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Solution

The fourth proportional to 101,088.48, 139,457.70 and 60,778.92 is: 83,848.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,088.48 : 139,457.70 = 60,778.92 : x
  2. Step 2: Convert to fraction form
    101,088.48/139,457.70 = 60,778.92/x
  3. Step 3: Cross multiply
    101,088.48x = 139,457.70 × 60,778.92
  4. Step 4: Simplify right side
    101,088.48x = 8,476,088,391.68
  5. Step 5: Solve for x
    x = 8,476,088,391.68/101,088.48
  6. Step 6: Final answer
    x = 83,848.21

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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.