Home / 136,521.15-204,645.63-65,312.43

Finding the Fourth Proportional to 136,521.15, 204,645.63 and 65,312.43

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Solution

The fourth proportional to 136,521.15, 204,645.63 and 65,312.43 is: 97,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,521.15 : 204,645.63 = 65,312.43 : x
  2. Step 2: Convert to fraction form
    136,521.15/204,645.63 = 65,312.43/x
  3. Step 3: Cross multiply
    136,521.15x = 204,645.63 × 65,312.43
  4. Step 4: Simplify right side
    136,521.15x = 13,365,903,384.18
  5. Step 5: Solve for x
    x = 13,365,903,384.18/136,521.15
  6. Step 6: Final answer
    x = 97,903.54

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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.