Home / 149,032.20-223,548.30-139,117.80

Finding the Fourth Proportional to 149,032.20, 223,548.30 and 139,117.80

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Solution

The fourth proportional to 149,032.20, 223,548.30 and 139,117.80 is: 208,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032.20 : 223,548.30 = 139,117.80 : x
  2. Step 2: Convert to fraction form
    149,032.20/223,548.30 = 139,117.80/x
  3. Step 3: Cross multiply
    149,032.20x = 223,548.30 × 139,117.80
  4. Step 4: Simplify right side
    149,032.20x = 31,099,547,689.74
  5. Step 5: Solve for x
    x = 31,099,547,689.74/149,032.20
  6. Step 6: Final answer
    x = 208,676.70

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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.