Home / 103,864.92-143,333.65-56,118.32

Finding the Fourth Proportional to 103,864.92, 143,333.65 and 56,118.32

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Solution

The fourth proportional to 103,864.92, 143,333.65 and 56,118.32 is: 77,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,864.92 : 143,333.65 = 56,118.32 : x
  2. Step 2: Convert to fraction form
    103,864.92/143,333.65 = 56,118.32/x
  3. Step 3: Cross multiply
    103,864.92x = 143,333.65 × 56,118.32
  4. Step 4: Simplify right side
    103,864.92x = 8,043,643,528.45
  5. Step 5: Solve for x
    x = 8,043,643,528.45/103,864.92
  6. Step 6: Final answer
    x = 77,443.32

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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.