Home / 112,127.84-154,750.36-64,380.16

Finding the Fourth Proportional to 112,127.84, 154,750.36 and 64,380.16

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Solution

The fourth proportional to 112,127.84, 154,750.36 and 64,380.16 is: 88,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,127.84 : 154,750.36 = 64,380.16 : x
  2. Step 2: Convert to fraction form
    112,127.84/154,750.36 = 64,380.16/x
  3. Step 3: Cross multiply
    112,127.84x = 154,750.36 × 64,380.16
  4. Step 4: Simplify right side
    112,127.84x = 9,962,852,936.86
  5. Step 5: Solve for x
    x = 9,962,852,936.86/112,127.84
  6. Step 6: Final answer
    x = 88,852.63

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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.