Home / 99,528.14-137,349.72-54,206.32

Finding the Fourth Proportional to 99,528.14, 137,349.72 and 54,206.32

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Solution

The fourth proportional to 99,528.14, 137,349.72 and 54,206.32 is: 74,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,528.14 : 137,349.72 = 54,206.32 : x
  2. Step 2: Convert to fraction form
    99,528.14/137,349.72 = 54,206.32/x
  3. Step 3: Cross multiply
    99,528.14x = 137,349.72 × 54,206.32
  4. Step 4: Simplify right side
    99,528.14x = 7,445,223,022.23
  5. Step 5: Solve for x
    x = 7,445,223,022.23/99,528.14
  6. Step 6: Final answer
    x = 74,805.20

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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.