Home / 103,088.84-142,249.32-60,631.88

Finding the Fourth Proportional to 103,088.84, 142,249.32 and 60,631.88

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Solution

The fourth proportional to 103,088.84, 142,249.32 and 60,631.88 is: 83,664.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,088.84 : 142,249.32 = 60,631.88 : x
  2. Step 2: Convert to fraction form
    103,088.84/142,249.32 = 60,631.88/x
  3. Step 3: Cross multiply
    103,088.84x = 142,249.32 × 60,631.88
  4. Step 4: Simplify right side
    103,088.84x = 8,624,843,700.32
  5. Step 5: Solve for x
    x = 8,624,843,700.32/103,088.84
  6. Step 6: Final answer
    x = 83,664.18

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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.