Home / 103,108.13-142,298.38-60,085.28

Finding the Fourth Proportional to 103,108.13, 142,298.38 and 60,085.28

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Solution

The fourth proportional to 103,108.13, 142,298.38 and 60,085.28 is: 82,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,108.13 : 142,298.38 = 60,085.28 : x
  2. Step 2: Convert to fraction form
    103,108.13/142,298.38 = 60,085.28/x
  3. Step 3: Cross multiply
    103,108.13x = 142,298.38 × 60,085.28
  4. Step 4: Simplify right side
    103,108.13x = 8,550,038,005.85
  5. Step 5: Solve for x
    x = 8,550,038,005.85/103,108.13
  6. Step 6: Final answer
    x = 82,923.02

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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.