Home / 112,947.08-155,865.51-64,548.46

Finding the Fourth Proportional to 112,947.08, 155,865.51 and 64,548.46

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Solution

The fourth proportional to 112,947.08, 155,865.51 and 64,548.46 is: 89,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,947.08 : 155,865.51 = 64,548.46 : x
  2. Step 2: Convert to fraction form
    112,947.08/155,865.51 = 64,548.46/x
  3. Step 3: Cross multiply
    112,947.08x = 155,865.51 × 64,548.46
  4. Step 4: Simplify right side
    112,947.08x = 10,060,878,247.95
  5. Step 5: Solve for x
    x = 10,060,878,247.95/112,947.08
  6. Step 6: Final answer
    x = 89,076.04

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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.