Home / 80,162.19-110,526.93-64,864.80

Finding the Fourth Proportional to 80,162.19, 110,526.93 and 64,864.80

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Solution

The fourth proportional to 80,162.19, 110,526.93 and 64,864.80 is: 89,435.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,162.19 : 110,526.93 = 64,864.80 : x
  2. Step 2: Convert to fraction form
    80,162.19/110,526.93 = 64,864.80/x
  3. Step 3: Cross multiply
    80,162.19x = 110,526.93 × 64,864.80
  4. Step 4: Simplify right side
    80,162.19x = 7,169,307,209.06
  5. Step 5: Solve for x
    x = 7,169,307,209.06/80,162.19
  6. Step 6: Final answer
    x = 89,435.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.