Home / 94,343.07-130,210.16-56,619.75

Finding the Fourth Proportional to 94,343.07, 130,210.16 and 56,619.75

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Solution

The fourth proportional to 94,343.07, 130,210.16 and 56,619.75 is: 78,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,343.07 : 130,210.16 = 56,619.75 : x
  2. Step 2: Convert to fraction form
    94,343.07/130,210.16 = 56,619.75/x
  3. Step 3: Cross multiply
    94,343.07x = 130,210.16 × 56,619.75
  4. Step 4: Simplify right side
    94,343.07x = 7,372,466,423.56
  5. Step 5: Solve for x
    x = 7,372,466,423.56/94,343.07
  6. Step 6: Final answer
    x = 78,145.29

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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.