Home / 131,423.71-181,364.54-70,994.34

Finding the Fourth Proportional to 131,423.71, 181,364.54 and 70,994.34

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Solution

The fourth proportional to 131,423.71, 181,364.54 and 70,994.34 is: 97,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.71 : 181,364.54 = 70,994.34 : x
  2. Step 2: Convert to fraction form
    131,423.71/181,364.54 = 70,994.34/x
  3. Step 3: Cross multiply
    131,423.71x = 181,364.54 × 70,994.34
  4. Step 4: Simplify right side
    131,423.71x = 12,875,855,816.70
  5. Step 5: Solve for x
    x = 12,875,855,816.70/131,423.71
  6. Step 6: Final answer
    x = 97,972.09

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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.