Home / 94,342.32-130,209.12-56,619

Finding the Fourth Proportional to 94,342.32, 130,209.12 and 56,619

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Solution

The fourth proportional to 94,342.32, 130,209.12 and 56,619 is: 78,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,342.32 : 130,209.12 = 56,619 : x
  2. Step 2: Convert to fraction form
    94,342.32/130,209.12 = 56,619/x
  3. Step 3: Cross multiply
    94,342.32x = 130,209.12 × 56,619
  4. Step 4: Simplify right side
    94,342.32x = 7,372,310,165.28
  5. Step 5: Solve for x
    x = 7,372,310,165.28/94,342.32
  6. Step 6: Final answer
    x = 78,144.25

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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.