Home / 131,396.36-181,326.92-70,966.98

Finding the Fourth Proportional to 131,396.36, 181,326.92 and 70,966.98

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Solution

The fourth proportional to 131,396.36, 181,326.92 and 70,966.98 is: 97,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,396.36 : 181,326.92 = 70,966.98 : x
  2. Step 2: Convert to fraction form
    131,396.36/181,326.92 = 70,966.98/x
  3. Step 3: Cross multiply
    131,396.36x = 181,326.92 × 70,966.98
  4. Step 4: Simplify right side
    131,396.36x = 12,868,223,905.10
  5. Step 5: Solve for x
    x = 12,868,223,905.10/131,396.36
  6. Step 6: Final answer
    x = 97,934.40

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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.