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Finding the Fourth Proportional to 195,420.80, 292,900.80 and 101,878.40

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Solution

The fourth proportional to 195,420.80, 292,900.80 and 101,878.40 is: 152,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,420.80 : 292,900.80 = 101,878.40 : x
  2. Step 2: Convert to fraction form
    195,420.80/292,900.80 = 101,878.40/x
  3. Step 3: Cross multiply
    195,420.80x = 292,900.80 × 101,878.40
  4. Step 4: Simplify right side
    195,420.80x = 29,840,264,862.72
  5. Step 5: Solve for x
    x = 29,840,264,862.72/195,420.80
  6. Step 6: Final answer
    x = 152,697.49

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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.