Home / 98,228.56-147,386.40-51,470.32

Finding the Fourth Proportional to 98,228.56, 147,386.40 and 51,470.32

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Solution

The fourth proportional to 98,228.56, 147,386.40 and 51,470.32 is: 77,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,228.56 : 147,386.40 = 51,470.32 : x
  2. Step 2: Convert to fraction form
    98,228.56/147,386.40 = 51,470.32/x
  3. Step 3: Cross multiply
    98,228.56x = 147,386.40 × 51,470.32
  4. Step 4: Simplify right side
    98,228.56x = 7,586,025,171.65
  5. Step 5: Solve for x
    x = 7,586,025,171.65/98,228.56
  6. Step 6: Final answer
    x = 77,228.30

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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.