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Finding the Fourth Proportional to 98,129.04, 147,158.16 and 41,973.12

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Solution

The fourth proportional to 98,129.04, 147,158.16 and 41,973.12 is: 62,944.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,129.04 : 147,158.16 = 41,973.12 : x
  2. Step 2: Convert to fraction form
    98,129.04/147,158.16 = 41,973.12/x
  3. Step 3: Cross multiply
    98,129.04x = 147,158.16 × 41,973.12
  4. Step 4: Simplify right side
    98,129.04x = 6,176,687,108.66
  5. Step 5: Solve for x
    x = 6,176,687,108.66/98,129.04
  6. Step 6: Final answer
    x = 62,944.54

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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.