Home / 109,641.60-164,462.40-26,535.60

Finding the Fourth Proportional to 109,641.60, 164,462.40 and 26,535.60

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Solution

The fourth proportional to 109,641.60, 164,462.40 and 26,535.60 is: 39,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,641.60 : 164,462.40 = 26,535.60 : x
  2. Step 2: Convert to fraction form
    109,641.60/164,462.40 = 26,535.60/x
  3. Step 3: Cross multiply
    109,641.60x = 164,462.40 × 26,535.60
  4. Step 4: Simplify right side
    109,641.60x = 4,364,108,461.44
  5. Step 5: Solve for x
    x = 4,364,108,461.44/109,641.60
  6. Step 6: Final answer
    x = 39,803.40

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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.