Home / 119,285.40-164,612-65,569.27

Finding the Fourth Proportional to 119,285.40, 164,612 and 65,569.27

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Solution

The fourth proportional to 119,285.40, 164,612 and 65,569.27 is: 90,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,285.40 : 164,612 = 65,569.27 : x
  2. Step 2: Convert to fraction form
    119,285.40/164,612 = 65,569.27/x
  3. Step 3: Cross multiply
    119,285.40x = 164,612 × 65,569.27
  4. Step 4: Simplify right side
    119,285.40x = 10,793,488,673.24
  5. Step 5: Solve for x
    x = 10,793,488,673.24/119,285.40
  6. Step 6: Final answer
    x = 90,484.57

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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.