Home / 172,191.95-237,689.35-129,295.36

Finding the Fourth Proportional to 172,191.95, 237,689.35 and 129,295.36

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Solution

The fourth proportional to 172,191.95, 237,689.35 and 129,295.36 is: 178,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,191.95 : 237,689.35 = 129,295.36 : x
  2. Step 2: Convert to fraction form
    172,191.95/237,689.35 = 129,295.36/x
  3. Step 3: Cross multiply
    172,191.95x = 237,689.35 × 129,295.36
  4. Step 4: Simplify right side
    172,191.95x = 30,732,130,076.42
  5. Step 5: Solve for x
    x = 30,732,130,076.42/172,191.95
  6. Step 6: Final answer
    x = 178,476.00

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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.