Home / 94,420.10-130,317.20-54,134.15

Finding the Fourth Proportional to 94,420.10, 130,317.20 and 54,134.15

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Solution

The fourth proportional to 94,420.10, 130,317.20 and 54,134.15 is: 74,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,420.10 : 130,317.20 = 54,134.15 : x
  2. Step 2: Convert to fraction form
    94,420.10/130,317.20 = 54,134.15/x
  3. Step 3: Cross multiply
    94,420.10x = 130,317.20 × 54,134.15
  4. Step 4: Simplify right side
    94,420.10x = 7,054,609,930.12
  5. Step 5: Solve for x
    x = 7,054,609,930.12/94,420.10
  6. Step 6: Final answer
    x = 74,715.13

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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.