Home / 98,292.56-147,438.99-42,128.27

Finding the Fourth Proportional to 98,292.56, 147,438.99 and 42,128.27

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Solution

The fourth proportional to 98,292.56, 147,438.99 and 42,128.27 is: 63,192.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,292.56 : 147,438.99 = 42,128.27 : x
  2. Step 2: Convert to fraction form
    98,292.56/147,438.99 = 42,128.27/x
  3. Step 3: Cross multiply
    98,292.56x = 147,438.99 × 42,128.27
  4. Step 4: Simplify right side
    98,292.56x = 6,211,349,947.84
  5. Step 5: Solve for x
    x = 6,211,349,947.84/98,292.56
  6. Step 6: Final answer
    x = 63,192.48

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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.