Home / 145,016.03-217,524.05-45,184.30

Finding the Fourth Proportional to 145,016.03, 217,524.05 and 45,184.30

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Solution

The fourth proportional to 145,016.03, 217,524.05 and 45,184.30 is: 67,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,016.03 : 217,524.05 = 45,184.30 : x
  2. Step 2: Convert to fraction form
    145,016.03/217,524.05 = 45,184.30/x
  3. Step 3: Cross multiply
    145,016.03x = 217,524.05 × 45,184.30
  4. Step 4: Simplify right side
    145,016.03x = 9,828,671,332.12
  5. Step 5: Solve for x
    x = 9,828,671,332.12/145,016.03
  6. Step 6: Final answer
    x = 67,776.45

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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.