Home / 98,128.01-147,156.32-41,972.23

Finding the Fourth Proportional to 98,128.01, 147,156.32 and 41,972.23

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Solution

The fourth proportional to 98,128.01, 147,156.32 and 41,972.23 is: 62,943.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,128.01 : 147,156.32 = 41,972.23 : x
  2. Step 2: Convert to fraction form
    98,128.01/147,156.32 = 41,972.23/x
  3. Step 3: Cross multiply
    98,128.01x = 147,156.32 × 41,972.23
  4. Step 4: Simplify right side
    98,128.01x = 6,176,478,646.03
  5. Step 5: Solve for x
    x = 6,176,478,646.03/98,128.01
  6. Step 6: Final answer
    x = 62,943.07

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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.