Home / 148,238.51-204,567.71-80,253.74

Finding the Fourth Proportional to 148,238.51, 204,567.71 and 80,253.74

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Solution

The fourth proportional to 148,238.51, 204,567.71 and 80,253.74 is: 110,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.51 : 204,567.71 = 80,253.74 : x
  2. Step 2: Convert to fraction form
    148,238.51/204,567.71 = 80,253.74/x
  3. Step 3: Cross multiply
    148,238.51x = 204,567.71 × 80,253.74
  4. Step 4: Simplify right side
    148,238.51x = 16,417,323,920.89
  5. Step 5: Solve for x
    x = 16,417,323,920.89/148,238.51
  6. Step 6: Final answer
    x = 110,749.39

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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.