Home / 145,114.94-217,728.30-56,430.92

Finding the Fourth Proportional to 145,114.94, 217,728.30 and 56,430.92

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Solution

The fourth proportional to 145,114.94, 217,728.30 and 56,430.92 is: 84,668.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,114.94 : 217,728.30 = 56,430.92 : x
  2. Step 2: Convert to fraction form
    145,114.94/217,728.30 = 56,430.92/x
  3. Step 3: Cross multiply
    145,114.94x = 217,728.30 × 56,430.92
  4. Step 4: Simplify right side
    145,114.94x = 12,286,608,279.04
  5. Step 5: Solve for x
    x = 12,286,608,279.04/145,114.94
  6. Step 6: Final answer
    x = 84,668.11

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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.