Home / 145,461.12-218,191.73-45,630.03

Finding the Fourth Proportional to 145,461.12, 218,191.73 and 45,630.03

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Solution

The fourth proportional to 145,461.12, 218,191.73 and 45,630.03 is: 68,445.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,461.12 : 218,191.73 = 45,630.03 : x
  2. Step 2: Convert to fraction form
    145,461.12/218,191.73 = 45,630.03/x
  3. Step 3: Cross multiply
    145,461.12x = 218,191.73 × 45,630.03
  4. Step 4: Simplify right side
    145,461.12x = 9,956,095,775.72
  5. Step 5: Solve for x
    x = 9,956,095,775.72/145,461.12
  6. Step 6: Final answer
    x = 68,445.07

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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.