Home / 90,992.64-136,637.12-56,153.76

Finding the Fourth Proportional to 90,992.64, 136,637.12 and 56,153.76

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Solution

The fourth proportional to 90,992.64, 136,637.12 and 56,153.76 is: 84,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.64 : 136,637.12 = 56,153.76 : x
  2. Step 2: Convert to fraction form
    90,992.64/136,637.12 = 56,153.76/x
  3. Step 3: Cross multiply
    90,992.64x = 136,637.12 × 56,153.76
  4. Step 4: Simplify right side
    90,992.64x = 7,672,688,043.57
  5. Step 5: Solve for x
    x = 7,672,688,043.57/90,992.64
  6. Step 6: Final answer
    x = 84,322.07

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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.