Home / 145,247.04-217,808.64-55,274.40

Finding the Fourth Proportional to 145,247.04, 217,808.64 and 55,274.40

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Solution

The fourth proportional to 145,247.04, 217,808.64 and 55,274.40 is: 82,888.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,247.04 : 217,808.64 = 55,274.40 : x
  2. Step 2: Convert to fraction form
    145,247.04/217,808.64 = 55,274.40/x
  3. Step 3: Cross multiply
    145,247.04x = 217,808.64 × 55,274.40
  4. Step 4: Simplify right side
    145,247.04x = 12,039,241,890.82
  5. Step 5: Solve for x
    x = 12,039,241,890.82/145,247.04
  6. Step 6: Final answer
    x = 82,888.04

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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.