Home / 112,628.45-155,444.71-64,230.48

Finding the Fourth Proportional to 112,628.45, 155,444.71 and 64,230.48

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Solution

The fourth proportional to 112,628.45, 155,444.71 and 64,230.48 is: 88,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,628.45 : 155,444.71 = 64,230.48 : x
  2. Step 2: Convert to fraction form
    112,628.45/155,444.71 = 64,230.48/x
  3. Step 3: Cross multiply
    112,628.45x = 155,444.71 × 64,230.48
  4. Step 4: Simplify right side
    112,628.45x = 9,984,287,559.54
  5. Step 5: Solve for x
    x = 9,984,287,559.54/112,628.45
  6. Step 6: Final answer
    x = 88,648.01

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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.