Home / 119,161.16-164,444.34-65,451.20

Finding the Fourth Proportional to 119,161.16, 164,444.34 and 65,451.20

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Solution

The fourth proportional to 119,161.16, 164,444.34 and 65,451.20 is: 90,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,161.16 : 164,444.34 = 65,451.20 : x
  2. Step 2: Convert to fraction form
    119,161.16/164,444.34 = 65,451.20/x
  3. Step 3: Cross multiply
    119,161.16x = 164,444.34 × 65,451.20
  4. Step 4: Simplify right side
    119,161.16x = 10,763,079,386.21
  5. Step 5: Solve for x
    x = 10,763,079,386.21/119,161.16
  6. Step 6: Final answer
    x = 90,323.72

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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.