Home / 155,969.20-233,953.80-146,127.70

Finding the Fourth Proportional to 155,969.20, 233,953.80 and 146,127.70

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Solution

The fourth proportional to 155,969.20, 233,953.80 and 146,127.70 is: 219,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,969.20 : 233,953.80 = 146,127.70 : x
  2. Step 2: Convert to fraction form
    155,969.20/233,953.80 = 146,127.70/x
  3. Step 3: Cross multiply
    155,969.20x = 233,953.80 × 146,127.70
  4. Step 4: Simplify right side
    155,969.20x = 34,187,130,700.26
  5. Step 5: Solve for x
    x = 34,187,130,700.26/155,969.20
  6. Step 6: Final answer
    x = 219,191.55

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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.