Home / 263,510.17-363,641.02-142,648.81

Finding the Fourth Proportional to 263,510.17, 363,641.02 and 142,648.81

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Solution

The fourth proportional to 263,510.17, 363,641.02 and 142,648.81 is: 196,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,510.17 : 363,641.02 = 142,648.81 : x
  2. Step 2: Convert to fraction form
    263,510.17/363,641.02 = 142,648.81/x
  3. Step 3: Cross multiply
    263,510.17x = 363,641.02 × 142,648.81
  4. Step 4: Simplify right side
    263,510.17x = 51,872,957,504.46
  5. Step 5: Solve for x
    x = 51,872,957,504.46/263,510.17
  6. Step 6: Final answer
    x = 196,853.72

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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.