Home / 148,386.15-204,803.79-136,430.55

Finding the Fourth Proportional to 148,386.15, 204,803.79 and 136,430.55

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Solution

The fourth proportional to 148,386.15, 204,803.79 and 136,430.55 is: 188,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,386.15 : 204,803.79 = 136,430.55 : x
  2. Step 2: Convert to fraction form
    148,386.15/204,803.79 = 136,430.55/x
  3. Step 3: Cross multiply
    148,386.15x = 204,803.79 × 136,430.55
  4. Step 4: Simplify right side
    148,386.15x = 27,941,493,711.78
  5. Step 5: Solve for x
    x = 27,941,493,711.78/148,386.15
  6. Step 6: Final answer
    x = 188,302.57

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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.