Home / 145,462.19-218,191.09-65,443.65

Finding the Fourth Proportional to 145,462.19, 218,191.09 and 65,443.65

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Solution

The fourth proportional to 145,462.19, 218,191.09 and 65,443.65 is: 98,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,462.19 : 218,191.09 = 65,443.65 : x
  2. Step 2: Convert to fraction form
    145,462.19/218,191.09 = 65,443.65/x
  3. Step 3: Cross multiply
    145,462.19x = 218,191.09 × 65,443.65
  4. Step 4: Simplify right side
    145,462.19x = 14,279,221,327.08
  5. Step 5: Solve for x
    x = 14,279,221,327.08/145,462.19
  6. Step 6: Final answer
    x = 98,164.49

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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.