Home / 112,374.07-155,080.93-64,627.45

Finding the Fourth Proportional to 112,374.07, 155,080.93 and 64,627.45

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Solution

The fourth proportional to 112,374.07, 155,080.93 and 64,627.45 is: 89,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,374.07 : 155,080.93 = 64,627.45 : x
  2. Step 2: Convert to fraction form
    112,374.07/155,080.93 = 64,627.45/x
  3. Step 3: Cross multiply
    112,374.07x = 155,080.93 × 64,627.45
  4. Step 4: Simplify right side
    112,374.07x = 10,022,484,726.39
  5. Step 5: Solve for x
    x = 10,022,484,726.39/112,374.07
  6. Step 6: Final answer
    x = 89,188.59

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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.