Home / 103,410.32-155,116.28-56,637.68

Finding the Fourth Proportional to 103,410.32, 155,116.28 and 56,637.68

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Solution

The fourth proportional to 103,410.32, 155,116.28 and 56,637.68 is: 84,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,410.32 : 155,116.28 = 56,637.68 : x
  2. Step 2: Convert to fraction form
    103,410.32/155,116.28 = 56,637.68/x
  3. Step 3: Cross multiply
    103,410.32x = 155,116.28 × 56,637.68
  4. Step 4: Simplify right side
    103,410.32x = 8,785,426,229.43
  5. Step 5: Solve for x
    x = 8,785,426,229.43/103,410.32
  6. Step 6: Final answer
    x = 84,956.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.