Home / 126,094.08-189,170.56-42,988.16

Finding the Fourth Proportional to 126,094.08, 189,170.56 and 42,988.16

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Solution

The fourth proportional to 126,094.08, 189,170.56 and 42,988.16 is: 64,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,094.08 : 189,170.56 = 42,988.16 : x
  2. Step 2: Convert to fraction form
    126,094.08/189,170.56 = 42,988.16/x
  3. Step 3: Cross multiply
    126,094.08x = 189,170.56 × 42,988.16
  4. Step 4: Simplify right side
    126,094.08x = 8,132,094,300.57
  5. Step 5: Solve for x
    x = 8,132,094,300.57/126,094.08
  6. Step 6: Final answer
    x = 64,492.28

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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.