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Finding the Fourth Proportional to 145,873.70, 218,810.55 and 134,468.90

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Solution

The fourth proportional to 145,873.70, 218,810.55 and 134,468.90 is: 201,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,873.70 : 218,810.55 = 134,468.90 : x
  2. Step 2: Convert to fraction form
    145,873.70/218,810.55 = 134,468.90/x
  3. Step 3: Cross multiply
    145,873.70x = 218,810.55 × 134,468.90
  4. Step 4: Simplify right side
    145,873.70x = 29,423,213,966.90
  5. Step 5: Solve for x
    x = 29,423,213,966.90/145,873.70
  6. Step 6: Final answer
    x = 201,703.35

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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.